Refactor ssh executable search logic to prioritize system PATH check

Author: akash-manna-sky

src/main/java/org/jenkinsci/plugins/gitclient/CliGitAPIImpl.java

@@ -2626,6 +2626,15 @@ public File getSSHExecutable() {
             return sshexe;
         }
 
+        // Check for ssh.exe on the system PATH (supports Microsoft OpenSSH and other alternate implementations)
+        String sshPath = getPathToExe("ssh");
+        if (sshPath != null) {
+            sshexe = new File(sshPath);
+            if (sshexe.exists()) {
+                return sshexe;
+            }
+        }
+
         // Check Program Files
         sshexe = getFileFromEnv("ProgramFiles", "\\Git\\bin\\ssh.exe");
         if (sshexe != null && sshexe.exists()) {
@@ -2685,16 +2694,6 @@ public File getSSHExecutable() {
             }
         }
 
-        // Check for ssh.exe on the system PATH as last resort (supports Microsoft OpenSSH and other alternate
-        // implementations)
-        String sshPath = getPathToExe("ssh");
-        if (sshPath != null) {
-            sshexe = new File(sshPath);
-            if (sshexe.exists()) {
-                return sshexe;
-            }
-        }
-
         throw new RuntimeException(
                 "ssh executable not found. The git plugin only supports official git client https://git-scm.com/download/win");
     }