show classname instead of teacher name in teacher timetable view

lib/view/pages/timetable/timetable.dart

@@ -101,9 +101,8 @@ class _TimetableState extends State<Timetable> {
     final loadableState = context.watch<TimetableBloc>().state;
     final innerState = loadableState.data;
     final atToday = innerState != null && _isOnInitialWeek(innerState);
-    final canViewForeign = context
-        .watch<CapabilitiesCubit>()
-        .canViewForeignTimetables;
+    final capabilities = context.watch<CapabilitiesCubit>();
+    final canViewForeign = capabilities.canViewForeignTimetables;
     return Scaffold(
       appBar: AppBar(
         // Der Kalender scrollt nicht (nur ziehen/reloaden), aber seine internen
@@ -166,6 +165,7 @@ class _TimetableState extends State<Timetable> {
           ),
           onCreateEvent: _onCreateEventAt,
           customEvents: state.customEvents?.events ?? const [],
+          showClassInsteadOfTeacher: capabilities.isTeacher,
         ),
       ),
     );
@@ -217,6 +217,8 @@ class _TimetableState extends State<Timetable> {
                 onAppointmentTap: (apt) =>
                     AppointmentDetailsDispatcher.show(context, state, apt),
                 customEvents: const [],
+                showClassInsteadOfTeacher:
+                    selected.type == TimetableElementType.teacher,
               ),
             ),
           ),