fix(flutter): 修复下拉刷新页面跟随

test/core/app_pull_to_refresh_test.dart

@@ -26,7 +26,7 @@ void main() {
               },
               child: ListView(
                 key: const Key('pull-refresh-list'),
-                physics: const AlwaysScrollableScrollPhysics(),
+                physics: AppPullToRefresh.physics,
                 children: const [SizedBox(height: 1200)],
               ),
             ),
@@ -34,14 +34,17 @@ void main() {
         ),
       );
 
-      final gesture = await tester.startGesture(
-        tester.getCenter(find.byKey(const Key('pull-refresh-list'))),
-      );
+      final list = find.byKey(const Key('pull-refresh-list'));
+      final gesture = await tester.startGesture(tester.getCenter(list));
       await gesture.moveBy(const Offset(0, 30));
       await tester.pump();
+      final scrollable = tester.state<ScrollableState>(
+        find.descendant(of: list, matching: find.byType(Scrollable)).first,
+      );
+      expect(scrollable.position.pixels, lessThan(0));
       expect(find.text('Pull to refresh'), findsOneWidget);
 
-      await gesture.moveBy(const Offset(0, 40));
+      await gesture.moveBy(const Offset(0, 120));
       await tester.pump();
       expect(find.text('Release to refresh'), findsOneWidget);