chore: delete button ui

frontend/app_flowy/lib/plugins/grid/presentation/widgets/header/field_editor.dart

@@ -236,9 +236,10 @@ class _DeleteFieldButton extends StatelessWidget {
             color: enable ? null : theme.shader4,
           ),
           onTap: () => onDeleted?.call(),
+          hoverColor: theme.hover,
+          onHover: (_) => popoverMutex.close(),
         );
-        // if (enable) button = button;
-        return button;
+        return SizedBox(height: 36, child: button);
       },
     );
   }

frontend/app_flowy/lib/plugins/grid/presentation/widgets/row/row_detail.dart

@@ -280,6 +280,7 @@ class _RowDetailCellState extends State<_RowDetailCell> {
             AppFlowyPopover(
               controller: popover,
               constraints: BoxConstraints.loose(const Size(240, 600)),
+              triggerActions: PopoverTriggerFlags.none,
               popupBuilder: (popoverContext) => buildFieldEditor(),
               child: SizedBox(
                 width: 150,