Change ngZone from private to protected

angular/src/components/lock.component.ts

@@ -52,7 +52,7 @@ export class LockComponent implements OnInit {
         protected storageService: StorageService, protected vaultTimeoutService: VaultTimeoutService,
         protected environmentService: EnvironmentService, protected stateService: StateService,
         protected apiService: ApiService, private logService: LogService,
-        private keyConnectorService: KeyConnectorService, private ngZone: NgZone) { }
+        private keyConnectorService: KeyConnectorService, protected ngZone: NgZone) { }
 
     async ngOnInit() {
         this.pinSet = await this.vaultTimeoutService.isPinLockSet();

angular/src/components/login.component.ts

@@ -54,7 +54,7 @@ export class LoginComponent extends CaptchaProtectedComponent implements OnInit
         protected stateService: StateService, environmentService: EnvironmentService,
         protected passwordGenerationService: PasswordGenerationService,
         protected cryptoFunctionService: CryptoFunctionService, private storageService: StorageService,
-        protected logService: LogService, private ngZone: NgZone) {
+        protected logService: LogService, protected ngZone: NgZone) {
         super(environmentService, i18nService, platformUtilsService);
     }