refactor(navigation): 移除全局两侧悬浮元素

test/home/home_grid_layout_test.dart

@@ -71,6 +71,8 @@ void main() {
     expect(find.text('Charts'), findsOneWidget);
     expect(find.text('Costume'), findsOneWidget);
     expect(find.text('Community'), findsOneWidget);
+    expect(find.byKey(const Key('mine-mini-player')), findsNothing);
+    expect(find.byType(FloatingActionButton), findsNothing);
   });
 
   testWidgets('should_hide_unmatched_content_sections', (tester) async {