migrate angular 21 tests

src/app/widget-modules/guards/auth.guard.ts

@@ -1,4 +1,4 @@
-import {Injectable, inject} from '@angular/core';
+import {EnvironmentInjector, Injectable, inject, runInInjectionContext} from '@angular/core';
 import {CanActivate, Router, UrlTree} from '@angular/router';
 import {Auth, authState} from '@angular/fire/auth';
 import {Observable} from 'rxjs';
@@ -10,9 +10,10 @@ import {map, take} from 'rxjs/operators';
 export class AuthGuard implements CanActivate {
   private auth = inject(Auth);
   private router = inject(Router);
+  private environmentInjector = inject(EnvironmentInjector);
 
   public canActivate(): Observable<boolean | UrlTree> {
-    return authState(this.auth).pipe(
+    return runInInjectionContext(this.environmentInjector, () => authState(this.auth)).pipe(
       take(1),
       map(user => (user ? true : this.router.createUrlTree(['user', 'login'])))
     );