fix: revert some date picker code and fix notification issue (#7861)

* fix: revert some date picker code and fix notification issue

* fix: UI overflow issue

* chore: update reminder remove logic

Author: asjqkkkk

frontend/appflowy_flutter/lib/plugins/database/application/cell/bloc/date_cell_editor_bloc.dart

@@ -55,10 +55,11 @@ class DateCellEditorBloc
           didReceiveCellUpdate: (DateCellDataPB? cellData) {
             final dateCellData = DateCellData.fromPB(cellData);
 
-            ReminderOption reminderOption = ReminderOption.none;
+            ReminderOption reminderOption = state.reminderOption;
 
             if (dateCellData.reminderId.isNotEmpty &&
-                dateCellData.dateTime != null) {
+                dateCellData.dateTime != null &&
+                reminderOption != ReminderOption.none) {
               final reminder = _reminderBloc.state.reminders
                   .firstWhereOrNull((r) => r.id == dateCellData.reminderId);
               if (reminder != null) {
@@ -119,6 +120,7 @@ class DateCellEditorBloc
             await _clearDate();
           },
           setReminderOption: (ReminderOption option) async {
+            emit(state.copyWith(reminderOption: option));
             await _setReminderOption(option);
           },
         );
@@ -246,9 +248,7 @@ class DateCellEditorBloc
   void _updateReminderIfNecessary(
     DateTime? dateTime,
   ) {
-    if (state.reminderId.isEmpty ||
-        state.reminderOption == ReminderOption.none ||
-        dateTime == null) {
+    if (state.reminderId.isEmpty || dateTime == null) {
       return;
     }
 
@@ -400,7 +400,7 @@ class DateCellEditorState with _$DateCellEditorState {
     ReminderOption reminderOption = ReminderOption.none;
 
     if (dateCellData.reminderId.isNotEmpty && dateCellData.dateTime != null) {
-      final reminder = reminderBloc.state.reminders
+      final reminder = reminderBloc.state.allReminders
           .firstWhereOrNull((r) => r.id == dateCellData.reminderId);
       if (reminder != null) {
         final eventDate = dateCellData.includeTime

frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/desktop_toolbar/link/link_search_text_field.dart

@@ -78,11 +78,12 @@ class LinkSearchTextField {
       focusNode: focusNode,
       textAlign: TextAlign.left,
       controller: textEditingController,
-      style: textStyle ?? TextStyle(
-        fontSize: 14,
-        height: 20 / 14,
-        fontWeight: FontWeight.w400,
-      ),
+      style: textStyle ??
+          TextStyle(
+            fontSize: 14,
+            height: 20 / 14,
+            fontWeight: FontWeight.w400,
+          ),
       onChanged: (text) {
         if (text.isEmpty) {
           searchedViews.clear();

frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/mention/mention_date_block.dart

@@ -63,11 +63,12 @@ class _MentionDateBlockState extends State<MentionDateBlock> {
   late bool _includeTime = widget.includeTime;
   late DateTime? parsedDate = DateTime.tryParse(widget.date);
   late String? _reminderId = widget.reminderId;
+  late ReminderOption _reminderOption = widget.reminderOption;
 
   ReminderPB? getReminder(BuildContext context) {
-    if (!context.mounted) return null;
+    if (!context.mounted || _reminderId == null) return null;
     final reminderBloc = context.read<ReminderBloc?>();
-    return reminderBloc?.state.serverReminders
+    return reminderBloc?.state.allReminders
         .firstWhereOrNull((r) => r.id == _reminderId);
   }
 
@@ -115,11 +116,11 @@ class _MentionDateBlockState extends State<MentionDateBlock> {
             includeTime: _includeTime,
             dateFormat: appearance.dateFormat,
             timeFormat: appearance.timeFormat,
-            selectedReminderOption: widget.reminderOption,
+            selectedReminderOption: _reminderOption,
             onIncludeTimeChanged: (includeTime, dateTime, _) {
               _includeTime = includeTime;
 
-              if (widget.reminderOption != ReminderOption.none) {
+              if (_reminderOption != ReminderOption.none) {
                 _updateReminder(
                   widget.reminderOption,
                   context,
@@ -136,18 +137,26 @@ class _MentionDateBlockState extends State<MentionDateBlock> {
             onDaySelected: (selectedDay) {
               parsedDate = selectedDay;
 
-              if (widget.reminderOption != ReminderOption.none) {
+              if (_reminderOption != ReminderOption.none) {
                 _updateReminder(
-                  widget.reminderOption,
+                  _reminderOption,
                   context,
                   _includeTime,
                 );
               } else {
+                final rootContext = widget.editorState.document.root.context;
+                if (rootContext != null && _reminderId != null) {
+                  rootContext
+                      .read<ReminderBloc?>()
+                      ?.add(ReminderEvent.remove(reminderId: _reminderId!));
+                }
                 _updateBlock(selectedDay, includeTime: _includeTime);
               }
             },
-            onReminderSelected: (reminderOption) =>
-                _updateReminder(reminderOption, context, _includeTime),
+            onReminderSelected: (reminderOption) {
+              _reminderOption = reminderOption;
+              _updateReminder(reminderOption, context, _includeTime);
+            },
           );
 
           Color? color;
@@ -245,7 +254,7 @@ class _MentionDateBlockState extends State<MentionDateBlock> {
     if (parsedDate == null || rootContext == null) {
       return;
     }
-    final reminder = getReminder(context);
+    final reminder = getReminder(rootContext);
     if (reminder != null) {
       _updateBlock(
         parsedDate!,
@@ -273,8 +282,8 @@ class _MentionDateBlockState extends State<MentionDateBlock> {
           );
     }
 
-    final reminderId = nanoid();
-    _reminderId = reminderId;
+    _reminderId ??= nanoid();
+    final reminderId = _reminderId;
     _updateBlock(
       parsedDate!,
       includeTime: includeTime,