fix: distorted/shrunken emojis in Callout option in theDocument page (#2361)

frontend/appflowy_flutter/lib/plugins/document/presentation/plugins/emoji_picker/src/default_emoji_picker_view.dart

@@ -270,7 +270,7 @@ class DefaultEmojiPickerViewState extends State<DefaultEmojiPickerView>
           widget.state.onEmojiSelected(categoryEmoji.category, emoji);
         },
         child: FittedBox(
-          fit: BoxFit.fill,
+          fit: BoxFit.scaleDown,
           child: Text(
             emoji.emoji,
             textScaleFactor: 1.0,

frontend/appflowy_flutter/lib/workspace/presentation/widgets/emoji_picker/src/default_emoji_picker_view.dart

@@ -295,7 +295,7 @@ class DefaultEmojiPickerViewState extends State<DefaultEmojiPickerView>
         widget.state.onEmojiSelected(categoryEmoji.category, emoji);
       },
       child: FittedBox(
-        fit: BoxFit.fill,
+        fit: BoxFit.scaleDown,
         child: Text(
           emoji.emoji,
           textScaleFactor: 1.0,