refactored data providers with centralized cache resolution, unified UI using custom dialogs and bottom sheets, and enhanced network error handling for Dio and TLS errors

lib/view/pages/talk/chat_list.dart

@@ -12,6 +12,7 @@ import '../../../state/app/modules/chat_list/bloc/chat_list_bloc.dart';
 import '../../../state/app/modules/chat_list/bloc/chat_list_state.dart';
 import '../../../state/app/modules/settings/bloc/settings_cubit.dart';
 import '../../../widget/confirm_dialog.dart';
+import '../../../widget/info_dialog.dart';
 import '../../../widget/placeholder_view.dart';
 import 'join_chat.dart';
 import 'search_chat.dart';
@@ -98,11 +99,9 @@ class _ChatListViewState extends State<_ChatListView> {
               NotifyUpdater.enableAfterDisclaimer(_settings).asDialog(context);
               break;
             case AuthorizationStatus.denied:
-              showDialog(
-                context: context,
-                builder: (_) => const AlertDialog(
-                  content: Text('Du kannst die Benachrichtigungen später jederzeit in den App-Einstellungen aktivieren.'),
-                ),
+              InfoDialog.show(
+                context,
+                'Du kannst die Benachrichtigungen später jederzeit in den App-Einstellungen aktivieren.',
               );
               break;
             default: