refactor: Rename date parsing helper functions for consistency

em2rp/lib/views/widgets/calendar_widgets/event_details_components/event_details_documents.dart

@@ -133,7 +133,7 @@ class EventDetailsDocuments extends StatelessWidget {
       context: context,
       builder: (BuildContext context) {
         return Dialog(
-          child: Container(
+          child: SizedBox(
             width: MediaQuery.of(context).size.width * 0.9,
             height: MediaQuery.of(context).size.height * 0.8,
             child: Column(

em2rp/lib/views/widgets/calendar_widgets/user_filter_dropdown.dart

@@ -132,7 +132,7 @@ class _UserFilterDropdownState extends State<UserFilterDropdown> {
                   ],
                 ),
               );
-            }).toList(),
+            }),
           ],
         ),
       ),