refactor(navigation): 移除全局两侧悬浮元素

test/home/k28_a_navigation_test.dart

@@ -82,12 +82,14 @@ void main() {
     expect(find.byKey(const Key('recommend-tab-playlist')), findsOneWidget);
     expect(find.byKey(const Key('recommend-tab-all')), findsOneWidget);
     expect(find.byKey(const Key('recommend-feed-player')), findsOneWidget);
+    _expectNoFloatingOverlays();
 
     await tester.tap(find.byKey(const Key('recommend-tab-playlist')));
     await tester.pumpAndSettle();
     expect(find.byKey(const Key('recommend-section-hits')), findsOneWidget);
     expect(find.byKey(const Key('recommend-section-new')), findsOneWidget);
     expect(find.byKey(const Key('recommend-section-costume')), findsOneWidget);
+    _expectNoFloatingOverlays();
   });
 
   testWidgets('should_switch_playlist_and_all_dramas_in_recommend', (
@@ -101,6 +103,7 @@ void main() {
     await tester.pumpAndSettle();
     expect(find.byKey(const Key('recommend-section-hits')), findsOneWidget);
     expect(find.byType(AppBottomNav), findsOneWidget);
+    _expectNoFloatingOverlays();
 
     await tester.tap(find.byKey(const Key('recommend-tab-all')));
     await tester.pumpAndSettle();
@@ -108,6 +111,7 @@ void main() {
     for (var row = 0; row < 4; row++) {
       expect(find.byKey(Key('all-filter-row-$row')), findsOneWidget);
     }
+    _expectNoFloatingOverlays();
   });
 
   testWidgets('should_open_search_from_home_and_recommend', (tester) async {
@@ -159,6 +163,11 @@ const _tabKeys = [
   Key('tab-mine'),
 ];
 
+void _expectNoFloatingOverlays() {
+  expect(find.byKey(const Key('mine-mini-player')), findsNothing);
+  expect(find.byType(FloatingActionButton), findsNothing);
+}
+
 bool _hasLightStatusBar(WidgetTester tester) => tester
     .widgetList<AnnotatedRegion<SystemUiOverlayStyle>>(
       find.byType(AnnotatedRegion<SystemUiOverlayStyle>),