implemented dynamic module settings and configurable bottom bar, added all-day event support to timetable, and overhauled marianum dates UI with month grouping and search

lib/state/app/infrastructure/utility_widgets/loadable_hydrated_bloc/loadable_hydrated_bloc.dart

@@ -95,6 +95,11 @@ abstract class LoadableHydratedBloc<
     gatherData().catchError(
       (e) {
         log('Error while fetching ${TState.toString()}: ${e.toString()}');
+        // The bloc may have been closed before this async error landed (e.g.
+        // when its scoping widget tree was disposed mid-fetch). Adding to a
+        // closed bloc throws "Cannot add new events after calling close",
+        // so swallow that case quietly.
+        if (isClosed) return;
         add(Error(LoadingError(
           message: errorToUserMessage(e),
           technicalDetails: errorToTechnicalDetails(e),