fix(player): 修复评论输入聚焦时面板消失

test/comment/drama_comments_sheet_test.dart

@@ -246,7 +246,7 @@ void main() {
 
     expect(tester.widget<TextField>(input).controller?.text, isEmpty);
     expect(tester.widget<TextField>(input).focusNode?.hasFocus, isTrue);
-    expect(find.byKey(const Key('comment-expanded-composer')), findsOneWidget);
+    expect(tester.widget<TextField>(input).maxLines, 4);
     expect(find.byKey(const Key('comment-list')), findsNothing);
     expect(
       tester
@@ -275,14 +275,27 @@ void main() {
 
     await _pumpSheet(tester, repository: repository);
     expect(find.byKey(const Key('comment-list')), findsOneWidget);
+    final editableBefore = tester.state<EditableTextState>(
+      find.descendant(
+        of: find.byKey(const Key('comment-input')),
+        matching: find.byType(EditableText),
+      ),
+    );
 
     await tester.tap(find.byKey(const Key('comment-input')));
     await tester.pumpAndSettle();
 
     expect(find.byKey(const Key('comment-list')), findsNothing);
     expect(find.byKey(const Key('comment-count-label')), findsNothing);
-    expect(find.byKey(const Key('comment-composer')), findsNothing);
-    expect(find.byKey(const Key('comment-expanded-composer')), findsOneWidget);
+    expect(find.byKey(const Key('comment-composer')), findsOneWidget);
+    expect(find.byKey(const Key('comment-input-surface')), findsOneWidget);
+    final editableAfter = tester.state<EditableTextState>(
+      find.descendant(
+        of: find.byKey(const Key('comment-input')),
+        matching: find.byType(EditableText),
+      ),
+    );
+    expect(identical(editableBefore, editableAfter), isTrue);
     final field = tester.widget<TextField>(
       find.byKey(const Key('comment-input')),
     );
@@ -313,17 +326,35 @@ void main() {
     tester.view.viewInsets = const FakeViewPadding(bottom: 180);
     await tester.pump();
     await tester.pump(const Duration(milliseconds: 160));
+    expect(find.byKey(const Key('player-comments-sheet')), findsOneWidget);
+    expect(find.byKey(const Key('comment-list')), findsNothing);
     expect(
       tester.getBottomLeft(find.byKey(const Key('player-comments-sheet'))).dy,
       closeTo(844 - 180, 0.1),
     );
+    expect(
+      tester.getBottomLeft(find.byKey(const Key('comment-input'))).dy,
+      lessThanOrEqualTo(844 - 180),
+    );
 
     tester.view.viewInsets = const FakeViewPadding();
-    FocusManager.instance.primaryFocus?.unfocus();
     await tester.pumpAndSettle();
-    expect(find.byKey(const Key('comment-expanded-composer')), findsNothing);
     expect(find.byKey(const Key('comment-list')), findsOneWidget);
     expect(find.byKey(const Key('comment-composer')), findsOneWidget);
+    expect(
+      tester
+          .widget<TextField>(find.byKey(const Key('comment-input')))
+          .controller
+          ?.text,
+      'Nice',
+    );
+    expect(
+      tester
+          .widget<TextField>(find.byKey(const Key('comment-input')))
+          .focusNode
+          ?.hasFocus,
+      isFalse,
+    );
   });
 
   testWidgets('should_use_polished_comment_sizes', (tester) async {
@@ -482,37 +513,6 @@ void main() {
     );
   });
 
-  testWidgets('should_keep_sheet_fixed_and_move_only_composer_for_keyboard', (
-    tester,
-  ) async {
-    tester.view.physicalSize = const Size(390, 844);
-    tester.view.devicePixelRatio = 1;
-    addTearDown(tester.view.resetPhysicalSize);
-    addTearDown(tester.view.resetDevicePixelRatio);
-    addTearDown(tester.view.resetViewInsets);
-    final repository = FakeCommentRepository(
-      pages: [CommentPage(comments: _comments(30))],
-    );
-
-    await _pumpSheet(tester, repository: repository);
-    final sheet = find.byKey(const Key('player-comments-sheet'));
-    final input = find.byKey(const Key('comment-composer'));
-    final first = find.byKey(const Key('comment-item-10'));
-    final sheetTop = tester.getTopLeft(sheet).dy;
-    final inputTop = tester.getTopLeft(input).dy;
-    final inputBottom = tester.getBottomLeft(input).dy;
-    final firstTop = tester.getTopLeft(first).dy;
-
-    tester.view.viewInsets = const FakeViewPadding(bottom: 180);
-    await tester.pump();
-    await tester.pump(const Duration(milliseconds: 160));
-
-    expect(tester.getTopLeft(sheet).dy, closeTo(sheetTop, 0.1));
-    expect(tester.getTopLeft(first).dy, closeTo(firstTop, 0.1));
-    expect(tester.getTopLeft(input).dy, lessThan(inputTop - 100));
-    expect(tester.getBottomLeft(input).dy, closeTo(inputBottom - 180, 0.1));
-  });
-
   testWidgets('should_hide_comment_like_controls', (tester) async {
     final repository = FakeCommentRepository(
       pages: [