refactor(@angular/ssr): add timeout to prevent 'adev' hanging during route extraction

A timeout was added during route extraction to resolve an issue where 'adev' would hang in production builds.
The root cause is currently unclear, but this change ensures the build completes successfully.

Author: alan-agius4

packages/angular/ssr/src/routes/ng-routes.ts

@@ -571,6 +571,10 @@ export async function getRoutesFromAngularRouterConfig(
         }
       }
 
+      // This timeout is necessary to prevent 'adev' from hanging in production builds.
+      // The exact cause is unclear, but removing it leads to the issue.
+      await new Promise((resolve) => setTimeout(resolve, 0));
+
       if (serverConfigRouteTree) {
         for (const { route, presentInClientRouter } of serverConfigRouteTree.traverse()) {
           if (presentInClientRouter || route === '**') {