fix(language-service): Resolve template variable in nested ngFor (#33676)

This commit fixes a bug whereby template variables in nested scope are
not resolved properly and instead are simply typed as `any`.

PR closes https://github.com/angular/vscode-ng-language-service/issues/144

PR Close #33676

packages/language-service/test/project/app/parsing-cases.ts

@@ -189,6 +189,7 @@ export class TemplateReference {
   title = 'Some title';
   hero: Hero = {id: 1, name: 'Windstorm'};
   heroes: Hero[] = [this.hero];
+  league: Hero[][] = [this.heroes];
   anyValue: any;
   myClick(event: any) {}
 }