fix: Shortcut settings Reset to default is missing bottom margin #3710 (#3715)

frontend/appflowy_flutter/lib/workspace/presentation/settings/widgets/settings_customize_shortcuts_view.dart

@@ -93,7 +93,8 @@ class ShortcutsListView extends StatelessWidget {
               },
             ),
           ],
-        )
+        ),
+        const VSpace(10),
       ],
     );
   }