resolved pr comments

lib/view/pages/timetable/customTimetableEventEditDialog.dart

@@ -15,6 +15,7 @@ import '../../../api/mhsl/customTimetableEvent/update/updateCustomTimetableEvent
 import '../../../api/mhsl/customTimetableEvent/update/updateCustomTimetableEventParams.dart';
 import '../../../model/accountData.dart';
 import '../../../model/timetable/timetableProps.dart';
+import '../../../widget/focusBehaviour.dart';
 import '../../../widget/infoDialog.dart';
 import 'customTimetableColors.dart';
 
@@ -67,9 +68,7 @@ class _AddCustomTimetableEventDialogState extends State<CustomTimetableEventEdit
                   labelText: 'Terminname',
                   border: OutlineInputBorder()
                 ),
-                onTapOutside: (PointerDownEvent event) {
-                  FocusScope.of(context).requestFocus(FocusNode());
-                },
+                onTapOutside: (PointerDownEvent event) => FocusBehaviour.textFieldTapOutside(context),
               ),
             ),
             ListTile(
@@ -81,9 +80,7 @@ class _AddCustomTimetableEventDialogState extends State<CustomTimetableEventEdit
                   labelText: 'Beschreibung',
                   border: OutlineInputBorder()
                 ),
-                onTapOutside: (PointerDownEvent event) {
-                  FocusScope.of(context).requestFocus(FocusNode());
-                },
+                onTapOutside: (PointerDownEvent event) => FocusBehaviour.textFieldTapOutside(context),
               ),
             ),
             const Divider(),