fix(flutter): 修复下拉刷新页面跟随

lib/pages/ranking/ranking_page.dart

@@ -122,7 +122,7 @@ class _RankingPageState extends State<RankingPage> {
           child: ListView(
             key: const Key('ranking-list'),
             controller: _scroll,
-            physics: const AlwaysScrollableScrollPhysics(),
+            physics: AppPullToRefresh.physics,
             padding: const EdgeInsets.only(top: 4, bottom: 24),
             children: top.isEmpty
                 ? [