Chore: update to Angular v18 (#7106)

src-ui/src/app/components/common/edit-dialog/mail-account-edit-dialog/mail-account-edit-dialog.component.spec.ts

@@ -1,6 +1,6 @@
 import {
   HttpTestingController,
-  HttpClientTestingModule,
+  provideHttpClientTesting,
 } from '@angular/common/http/testing'
 import {
   ComponentFixture,
@@ -23,6 +23,7 @@ import { SelectComponent } from '../../input/select/select.component'
 import { TextComponent } from '../../input/text/text.component'
 import { EditDialogMode } from '../edit-dialog.component'
 import { MailAccountEditDialogComponent } from './mail-account-edit-dialog.component'
+import { provideHttpClient, withInterceptorsFromDi } from '@angular/common/http'
 
 describe('MailAccountEditDialogComponent', () => {
   let component: MailAccountEditDialogComponent
@@ -42,13 +43,11 @@ describe('MailAccountEditDialogComponent', () => {
         PermissionsFormComponent,
         PasswordComponent,
       ],
-      providers: [NgbActiveModal],
-      imports: [
-        HttpClientTestingModule,
-        FormsModule,
-        ReactiveFormsModule,
-        NgSelectModule,
-        NgbModule,
+      imports: [FormsModule, ReactiveFormsModule, NgSelectModule, NgbModule],
+      providers: [
+        NgbActiveModal,
+        provideHttpClient(withInterceptorsFromDi()),
+        provideHttpClientTesting(),
       ],
     }).compileComponents()