fix: 调整追剧加号卡片顺序

test/following/following_page_test.dart

@@ -116,6 +116,12 @@ void main() {
       tester.getTopLeft(titleFinder).dx,
       tester.getTopLeft(coverFinder).dx,
     );
+    expect(
+      tester.getTopLeft(card).dx,
+      lessThan(
+        tester.getTopLeft(find.byKey(const Key('following-add-card'))).dx,
+      ),
+    );
 
     await tester.tap(find.byKey(const Key('following-edit')));
     await tester.pumpAndSettle();