Upgrade angular from 18 to 19.

frontend/src/app/pages/login/login.component.ts

@@ -9,18 +9,17 @@ import { SubmitButtonComponent } from "../../components/submit-button/submit-but
 import { MatRippleModule } from '@angular/material/core';
 
 @Component({
-  selector: 'app-login',
-  standalone: true,
-  templateUrl: './login.component.html',
-  styleUrl: './login.component.scss',
-  imports: [
-    MatIconModule, 
-    MatRippleModule,
-    ReactiveFormsModule, 
-    RouterModule,
-    SubmitButtonComponent
-  ],
-  providers: [LoginService, MatSnackBarModule]
+    selector: 'app-login',
+    templateUrl: './login.component.html',
+    styleUrl: './login.component.scss',
+    imports: [
+        MatIconModule,
+        MatRippleModule,
+        ReactiveFormsModule,
+        RouterModule,
+        SubmitButtonComponent
+    ],
+    providers: [LoginService, MatSnackBarModule]
 })
 export class LoginComponent implements OnInit, OnDestroy {
   private loginService = inject(LoginService);