loading state and error handling refactor

lib/view/pages/settings/sections/timetable_section.dart

@@ -2,7 +2,6 @@ import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 
 import '../../../../state/app/modules/settings/bloc/settings_cubit.dart';
-import '../../../../state/app/modules/timetable/bloc/timetable_bloc.dart';
 import '../../../../view/pages/timetable/data/timetable_name_mode.dart';
 
 class TimetableSection extends StatelessWidget {
@@ -10,8 +9,7 @@ class TimetableSection extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final settings = context.read<SettingsCubit>();
-    final timetableBloc = context.read<TimetableBloc>();
+    final settings = context.watch<SettingsCubit>();
     final timetableSettings = settings.val().timetableSettings;
     return Column(
       children: [
@@ -34,10 +32,8 @@ class TimetableSection extends StatelessWidget {
                       ),
                     ))
                 .toList(),
-            onChanged: (value) {
-              settings.val(write: true).timetableSettings.timetableNameMode = value!;
-              timetableBloc.refresh();
-            },
+            onChanged: (value) =>
+                settings.val(write: true).timetableSettings.timetableNameMode = value!,
           ),
         ),
         ListTile(
@@ -45,10 +41,8 @@ class TimetableSection extends StatelessWidget {
           title: const Text('Doppelstunden zusammenhängend anzeigen'),
           trailing: Checkbox(
             value: timetableSettings.connectDoubleLessons,
-            onChanged: (e) {
-              settings.val(write: true).timetableSettings.connectDoubleLessons = e!;
-              timetableBloc.refresh();
-            },
+            onChanged: (e) =>
+                settings.val(write: true).timetableSettings.connectDoubleLessons = e!,
           ),
         ),
       ],