fix(player): 收起键盘不关闭评论输入弹窗

test/comment/drama_comments_sheet_test.dart

@@ -387,7 +387,8 @@ void main() {
 
     tester.view.viewInsets = const FakeViewPadding();
     await tester.pumpAndSettle();
-    expect(composer, findsNothing);
+    expect(composer, findsOneWidget);
+    expect(tester.getBottomLeft(composer).dy, closeTo(844, 0.1));
     expect(commentsSheet, findsOneWidget);
     expect(list, findsOneWidget);
     expect(placeholder, findsOneWidget);
@@ -395,6 +396,35 @@ void main() {
     expect(tester.getSize(commentsSheet).height, closeTo(sheetHeight, 0.1));
   });
 
+  testWidgets('should_keep_composer_open_after_input_loses_focus', (
+    tester,
+  ) async {
+    final repository = FakeCommentRepository(
+      pages: [
+        CommentPage(
+          comments: [commentFixture(id: '10', content: 'A comment')],
+        ),
+      ],
+    );
+
+    await _pumpSheet(tester, repository: repository);
+    await tester.tap(find.byKey(const Key('comment-input-placeholder')));
+    await tester.pumpAndSettle();
+
+    final composer = find.byKey(const Key('comment-composer-sheet'));
+    final input = find.byKey(const Key('comment-composer-input'));
+    expect(composer, findsOneWidget);
+
+    tester.widget<TextField>(input).focusNode?.unfocus();
+    await tester.pumpAndSettle();
+    expect(composer, findsOneWidget);
+
+    await tester.tap(input);
+    await tester.pump();
+    expect(composer, findsOneWidget);
+    expect(tester.widget<TextField>(input).focusNode?.hasFocus, isTrue);
+  });
+
   testWidgets('should_close_composer_before_comment_panel_from_outside', (
     tester,
   ) async {
@@ -430,6 +460,10 @@ void main() {
 
     final sheetRect = tester.getRect(sheet);
     final composerRect = tester.getRect(composer);
+    await tester.tap(find.byKey(const Key('comment-composer-input')));
+    await tester.pump();
+    expect(composer, findsOneWidget);
+
     await tester.tapAt(
       Offset(sheetRect.center.dx, (sheetRect.top + composerRect.top) / 2),
     );