OZG-6988 reformat code

Sub task: OZG-7446

alfa-client/libs/admin/postfach-shared/src/lib/postfach.service.ts

@@ -31,8 +31,8 @@ import { Postfach, PostfachResource, PostfachSettingsItem } from './postfach.mod
 
 @Injectable()
 export class PostfachService {
-    private postfachResourceService = inject(PostfachResourceService)
-    private snackbarService = inject(SnackBarService)
+  private postfachResourceService = inject(PostfachResourceService);
+  private snackbarService = inject(SnackBarService);
 
   public get(): Observable<StateResource<PostfachResource>> {
     return this.postfachResourceService.get();