fix(language-service): provide completions for the structural directive that only injects the 'ViewContainerRef' (#35466)

The completions list don't include the 'ngTemplateOutlet'. The directive is a structural directive when it has injected the 'TemplateRef' or 'ViewContainerRef'.

PR Close #35466

packages/language-service/test/completions_spec.ts

@@ -129,6 +129,7 @@ describe('completions', () => {
       'ngSwitchCase',
       'ngSwitchDefault',
       'ngPluralCase',
+      'ngTemplateOutlet',
     ]);
   });