Fix ESLint errors in main.server.ts

- Change from namespace import to named import (import/no-namespace)
- Move DNS configuration after all imports (import/first)
- Fix import ordering (simple-import-sort/imports)

All linting errors resolved. No functional changes to the DNS fix.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: bram-atmire

src/main.server.ts

@@ -4,9 +4,6 @@
  * the backend only listens on IPv4.
  * See: https://github.com/nodejs/node/issues/40537
  */
-import * as dns from 'node:dns';
-dns.setDefaultResultOrder('ipv4first');
-
 import 'core-js/es/reflect';
 import 'zone.js';
 import 'reflect-metadata';
@@ -16,6 +13,8 @@ import 'reflect-metadata';
  */
 import '@angular/localize/init';
 
+import { setDefaultResultOrder } from 'node:dns';
+
 import {
   bootstrapApplication,
   BootstrapContext,
@@ -24,6 +23,9 @@ import {
 import { AppComponent } from './app/app.component';
 import { serverAppConfig } from './modules/app/server-app.config';
 
+// Apply DNS resolution order fix for Node.js 17+
+setDefaultResultOrder('ipv4first');
+
 const bootstrap = (context: BootstrapContext) => bootstrapApplication(AppComponent, serverAppConfig, context);
 
 export default bootstrap;