FIX #16699 TIME 0:30 fix syntax

src/frontend/app/administration/user/user.component.ts

@@ -8,7 +8,7 @@ import { ActivatedRoute, Router } from '@angular/router';
 import { ConfirmComponent } from '../../plugins/confirm.component';
 import { TranslateService } from '@ngx-translate/core';
 import { AuthService } from '../../service/auth.service';
-import { of } from "rxjs";
+import { of } from 'rxjs';
 
 
 export interface User {