[Bug]: Compilation fails with "Failed to find the closure symbol defined scope"

### Description

For the given code, when attempted to run, the compiler gives an error as following 

**Source**
```
types.bal
import ballerina/data.xmldata;

type Holder record {|
    string id;
    string name;
|};

type RetDependentsItem record {|
    string id;
    string name;
    string relationship;
|};

type Dependents json[];

type ServicesItem record {|
    string cpt;
    string coverage;
    int units;
    decimal unitPrice;
    decimal copay;
|};

type Services ServicesItem[];

type ClaimsItem record {|
    string claimId;
    string date;
    string memberId;
    Services services;
|};

type Claims ClaimsItem[];

type PoliciesItem record {|
    string policyId;
    Holder holder;
    Dependents dependents;
    Claims claims;
|};

type Policies PoliciesItem[];

type InsData record {|
    Policies policies;
|};

type Coverage record {
    @xmldata:Attribute
    string total;
    @xmldata:Attribute
    string 'type;
};

type CoverageRollup record {
    Coverage[] Coverage;
};

type RetLine record {
    string index;
};

type RetLines record {
    RetLine[] Line;
};

type RetClaim record {
    RetLines Lines;
    @xmldata:Attribute
    string date;
    @xmldata:Attribute
    string id;
    @xmldata:Attribute
    string index;
    @xmldata:Attribute
    string memberId;
    @xmldata:Attribute
    string total;
};

type RetClaims record {
    RetClaim[] Claim;
};

type RetPolicy record {
    CoverageRollup CoverageRollup;
    RetClaims Claims;
    @xmldata:Attribute
    string claims;
    @xmldata:Attribute
    string dependents;
    @xmldata:Attribute
    string holder;
    @xmldata:Attribute
    string holderName;
    @xmldata:Attribute
    string id;
    @xmldata:Attribute
    string index;
    @xmldata:Attribute
    string total;
};

@xmldata:Name {
    value: "Policies"
}
type RetPolicies record {
    RetPolicy[] Policy;
    @xmldata:Attribute
    string grandTotal;
    @xmldata:Attribute
    string totalPolicies;
};
```
```
main.bal
import ballerina/http;
import ballerina/log;

service / on newlistner {
    @http:ResourceConfig {
        name: "sampleResource"
    }
    resource function post summary(@http:Payload InsData payload) returns xml {
        do {
            Claims claims = [];
            _ = from var claimsItem in claims
                select {
                    date: claimsItem.date,
                    memberId: "",
                    Lines: {
                        Line: from var _ in claimsItem.services
                            let var _ = claimsItem.services
                            select {index: "0"}
                    },
                    id: "",
                    index: "ll",
                    total: ""
                };
            return xml ``;
        } on fail error err {
            log:printError("Error converting to XML", err);
            return xml ``;
        }

    }

}

listener http:Listener newlistner = new (port = 8000);
```

**Compilation Error**
```
[2026-02-20 15:26:55,695] SEVERE {b7a.log.crash} - Failed to find the closure symbol defined scope 
java.lang.IllegalStateException: Failed to find the closure symbol defined scope
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.findClosureMapSymbol(ClosureDesugar.java:777)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.createAssignmentToClosureMap(ClosureDesugar.java:756)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.visit(ClosureDesugar.java:737)
        at org.wso2.ballerinalang.compiler.tree.statements.BLangSimpleVariableDef.accept(BLangSimpleVariableDef.java:50)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.rewrite(ClosureDesugar.java:2155)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.rewriteStmts(ClosureDesugar.java:2200)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.visit(ClosureDesugar.java:599)
        at org.wso2.ballerinalang.compiler.tree.BLangBlockFunctionBody.accept(BLangBlockFunctionBody.java:60)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.rewrite(ClosureDesugar.java:2155)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.visit(ClosureDesugar.java:579)
        at org.wso2.ballerinalang.compiler.tree.BLangFunction.accept(BLangFunction.java:79)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.rewrite(ClosureDesugar.java:2155)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.visit(ClosureDesugar.java:1402)
        at org.wso2.ballerinalang.compiler.tree.expressions.BLangLambdaFunction.accept(BLangLambdaFunction.java:64)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.rewriteExpr(ClosureDesugar.java:2192)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.visit(ClosureDesugar.java:1032)
        at org.wso2.ballerinalang.compiler.tree.BLangSimpleVariable.accept(BLangSimpleVariable.java:54)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.rewrite(ClosureDesugar.java:2155)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.visit(ClosureDesugar.java:729)
        at org.wso2.ballerinalang.compiler.tree.statements.BLangSimpleVariableDef.accept(BLangSimpleVariableDef.java:50)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.rewrite(ClosureDesugar.java:2155)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.visit(ClosureDesugar.java:2047)
        at org.wso2.ballerinalang.compiler.tree.expressions.BLangStatementExpression.accept(BLangStatementExpression.java:53)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.rewriteExpr(ClosureDesugar.java:2192)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.visit(ClosureDesugar.java:1032)
        at org.wso2.ballerinalang.compiler.tree.BLangSimpleVariable.accept(BLangSimpleVariable.java:54)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.rewrite(ClosureDesugar.java:2155)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.visit(ClosureDesugar.java:729)
        at org.wso2.ballerinalang.compiler.tree.statements.BLangSimpleVariableDef.accept(BLangSimpleVariableDef.java:50)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.rewrite(ClosureDesugar.java:2155)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.visit(ClosureDesugar.java:2047)
        at org.wso2.ballerinalang.compiler.tree.expressions.BLangStatementExpression.accept(BLangStatementExpression.java:53)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.rewriteExpr(ClosureDesugar.java:2192)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.visit(ClosureDesugar.java:1394)
        at org.wso2.ballerinalang.compiler.tree.expressions.BLangTypeConversionExpr.accept(BLangTypeConversionExpr.java:83)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.rewriteExpr(ClosureDesugar.java:2192)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.visit(ClosureDesugar.java:1081)
        at org.wso2.ballerinalang.compiler.tree.statements.BLangAssignment.accept(BLangAssignment.java:81)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.rewrite(ClosureDesugar.java:2155)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.rewriteStmts(ClosureDesugar.java:2200)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.visit(ClosureDesugar.java:701)
        at org.wso2.ballerinalang.compiler.tree.statements.BLangBlockStmt.accept(BLangBlockStmt.java:65)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.rewrite(ClosureDesugar.java:2155)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.rewriteStmts(ClosureDesugar.java:2200)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.visit(ClosureDesugar.java:599)
        at org.wso2.ballerinalang.compiler.tree.BLangBlockFunctionBody.accept(BLangBlockFunctionBody.java:60)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.rewrite(ClosureDesugar.java:2155)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.visit(ClosureDesugar.java:579)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.visit(ClosureDesugar.java:540)
        at org.wso2.ballerinalang.compiler.tree.BLangResourceFunction.accept(BLangResourceFunction.java:40)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.rewrite(ClosureDesugar.java:2155)
        at org.wso2.ballerinalang.compiler.desugar.ClosureDesugar.visit(ClosureDesugar.java:258)
        at org.wso2.ballerinalang.compiler.desugar.Desugar.visit(Desugar.java:854)
        at org.wso2.ballerinalang.compiler.tree.BLangPackage.accept(BLangPackage.java:171)
        at org.wso2.ballerinalang.compiler.desugar.Desugar.rewrite(Desugar.java:9450)
        at org.wso2.ballerinalang.compiler.desugar.Desugar.perform(Desugar.java:500)
        at io.ballerina.projects.internal.CompilerPhaseRunner.desugar(CompilerPhaseRunner.java:201)
        at io.ballerina.projects.internal.CompilerPhaseRunner.performBirGenPhases(CompilerPhaseRunner.java:137)
        at io.ballerina.projects.ModuleContext.generateCodeInternal(ModuleContext.java:433)
        at io.ballerina.projects.ModuleCompilationState$4.generatePlatformSpecificCode(ModuleCompilationState.java:132)
        at io.ballerina.projects.ModuleContext.generatePlatformSpecificCode(ModuleContext.java:359)
        at io.ballerina.projects.JBallerinaBackend.performCodeGen(JBallerinaBackend.java:177)
        at io.ballerina.projects.JBallerinaBackend.<init>(JBallerinaBackend.java:143)
        at io.ballerina.projects.JBallerinaBackend.lambda$from$0(JBallerinaBackend.java:127)
        at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1228)
        at io.ballerina.projects.PackageCompilation.getCompilerBackend(PackageCompilation.java:169)
        at io.ballerina.projects.JBallerinaBackend.from(JBallerinaBackend.java:126)
        at io.ballerina.projects.JBallerinaBackend.from(JBallerinaBackend.java:114)
        at io.ballerina.cli.task.CompileTask.execute(CompileTask.java:250)
        at io.ballerina.cli.TaskExecutor.executeTasks(TaskExecutor.java:40)
        at io.ballerina.cli.cmd.RunCommand.executeTasks(RunCommand.java:367)
        at io.ballerina.cli.cmd.RunCommand.execute(RunCommand.java:331)
        at io.ballerina.cli.utils.RunCommandExecutor.run(RunCommandExecutor.java:55)
```

### Steps to Reproduce

$Description

### Affected Version(s)

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### OS, DB, other environment details and versions

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### Related area

-> Compilation

### Related issue(s) (optional)

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[Bug]: Compilation fails with "Failed to find the closure symbol defined scope" #44502

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[Bug]: Compilation fails with "Failed to find the closure symbol defined scope" #44502

Description

Description

Steps to Reproduce

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Related area

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