emoji_reaction [nfc]: Inline _UnicodeEmoji

This makes the caller a bit more verbose, but we're about to make it
simpler than it was before.

Author: chrisbobbe

lib/widgets/emoji_reaction.dart

@@ -225,7 +225,9 @@ class ReactionChip extends StatelessWidget {
     ).resolve(store.userSettings);
 
     final emoji = switch (emojiDisplay) {
-      UnicodeEmojiDisplay() => _UnicodeEmoji(
+      UnicodeEmojiDisplay() => UnicodeEmojiWidget(
+        size: _squareEmojiSize,
+        textScaler: _squareEmojiScalerClamped(context),
         emojiDisplay: emojiDisplay),
       ImageEmojiDisplay() => _ImageEmoji(
         emojiDisplay: emojiDisplay, emojiName: emojiName, selected: selfVoted),
@@ -336,20 +338,6 @@ TextScaler _textEmojiScalerClamped(BuildContext context) =>
 TextScaler _labelTextScalerClamped(BuildContext context) =>
   MediaQuery.textScalerOf(context).clamp(maxScaleFactor: 2);
 
-class _UnicodeEmoji extends StatelessWidget {
-  const _UnicodeEmoji({required this.emojiDisplay});
-
-  final UnicodeEmojiDisplay emojiDisplay;
-
-  @override
-  Widget build(BuildContext context) {
-    return UnicodeEmojiWidget(
-      size: _squareEmojiSize,
-      textScaler: _squareEmojiScalerClamped(context),
-      emojiDisplay: emojiDisplay);
-  }
-}
-
 class _ImageEmoji extends StatelessWidget {
   const _ImageEmoji({
     required this.emojiDisplay,