fix(flutter): 重做评论面板视觉

test/comment/drama_comments_sheet_test.dart

@@ -129,7 +129,7 @@ void main() {
     expect(tester.widget<TextField>(input).focusNode?.hasFocus, isFalse);
   });
 
-  testWidgets('should_use_compact_comment_sizes', (tester) async {
+  testWidgets('should_use_polished_comment_sizes', (tester) async {
     final repository = FakeCommentRepository(
       pages: [
         CommentPage(
@@ -142,19 +142,30 @@ void main() {
 
     expect(
       tester.getSize(find.byKey(const Key('comment-post'))),
-      const Size(32, 32),
+      const Size(36, 36),
+    );
+    expect(tester.getSize(find.byKey(const Key('comment-input'))).height, 44);
+    expect(
+      find.byKey(const Key('player-comments-drag-handle')),
+      findsOneWidget,
     );
-    expect(tester.getSize(find.byKey(const Key('comment-input'))).height, 40);
     final avatar = tester.widget<CircleAvatar>(
       find.descendant(
         of: find.byKey(const Key('comment-item-10')),
         matching: find.byType(CircleAvatar),
       ),
     );
-    expect(avatar.radius, 14);
+    expect(avatar.radius, 16);
     final body = tester.widget<Text>(find.text('Great episode'));
-    expect(body.style?.fontSize, 13);
-    expect(body.style?.height, 1.2);
+    expect(body.style?.fontSize, 14);
+    expect(body.style?.height, 1.4);
+    expect(
+      tester
+          .widget<TextField>(find.byKey(const Key('comment-input')))
+          .decoration
+          ?.fillColor,
+      AppColors.commentInput,
+    );
   });
 
   testWidgets('should_show_review_badge_and_server_replaced_content', (