add more padding to emoji picker

lib/widgets/emoji_picker.dart

@@ -52,7 +52,7 @@ final class const EmojiPicker({
     }, [listController]);
 
     return Container(
-      padding: .symmetric(horizontal: 16),
+      padding: .all(16),
       constraints: .loose(.new(500, 700)),
       child: ref
           .watch(EmojiController.provider)

lib/widgets/room_chat.dart

@@ -241,7 +241,6 @@ final class const RoomChat({
                       // TODO: More adaptive
                       Navigator.of(context).pop();
                       showModalBottomSheet(
-                        showDragHandle: true,
                         isScrollControlled: true,
                         context: context,
                         builder: (context) => EmojiPicker(