refactored broad range of the application, split files, modularized calendar and file views, centralized bottom sheets and clipboard handling, and implemented unit test coverage

lib/view/pages/marianum_dates/search_marianum_dates.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 
 import '../../../state/app/modules/marianum_dates/bloc/marianum_dates_state.dart';
 import '../../../widget/placeholder_view.dart';
-import 'marianum_dates_view.dart';
+import 'widgets/event_list_tile.dart';
 
 class SearchMarianumDates extends SearchDelegate<MarianumDate?> {
   final List<MarianumDate> events;