Enable zoneless configuration.

frontend/src/app/app.config.ts

@@ -1,4 +1,4 @@
-import { ApplicationConfig } from '@angular/core';
+import { ApplicationConfig, provideExperimentalZonelessChangeDetection } from '@angular/core';
 import { provideRouter, withRouterConfig } from '@angular/router';
 
 import { HTTP_INTERCEPTORS, provideHttpClient, withInterceptorsFromDi } from '@angular/common/http';
@@ -16,7 +16,9 @@ export const appConfig: ApplicationConfig = {
       })
     ), 
     provideAnimationsAsync(),
+    provideExperimentalZonelessChangeDetection(),
     provideHttpClient(withInterceptorsFromDi()),
+
     { provide: HTTP_INTERCEPTORS, useClass: JwtInterceptor, multi: true },
   ]
 };