chore: fix typo error

frontend/app_flowy/assets/translations/en.json

@@ -205,10 +205,10 @@
       "pannelTitle": "Select an option or create one",
       "searchOption": "Search for an option"
     },
-    "menuName":"Grid"
+    "menuName": "Grid"
   },
-  "document":{
-    "menuName":"Doc"
+  "document": {
+    "menuName": "Doc",
     "date": {
       "timeHintTextInTwelveHour": "12:00 AM",
       "timeHintTextInTwentyFourHour": "12:00"

frontend/app_flowy/lib/workspace/application/grid/cell/date_cal_bloc.dart

@@ -225,9 +225,9 @@ class DateCalState with _$DateCalState {
 String _timeHintText(DateTypeOption typeOption) {
   switch (typeOption.timeFormat) {
     case TimeFormat.TwelveHour:
-      return LocaleKeys.grid_date_timeHintTextInTwelveHour.tr();
+      return LocaleKeys.document_date_timeHintTextInTwelveHour.tr();
     case TimeFormat.TwentyFourHour:
-      return LocaleKeys.grid_date_timeHintTextInTwentyFourHour.tr();
+      return LocaleKeys.document_date_timeHintTextInTwentyFourHour.tr();
   }
   return "";
 }