fixed missing call super issue

BoostPageRoute 重写的 buildTransitions 返 MaterialPageRoute.buildTransitions 的结果，避免了 CupertinoPageRoute 跳转页面首页面跳转动画 secondaryAnimation 失效问题

lib/container/boost_page_route.dart

@@ -39,7 +39,7 @@ class BoostPageRoute<T> extends MaterialPageRoute<T> {
   @override
   Widget buildTransitions(BuildContext context, Animation<double> animation,
       Animation<double> secondaryAnimation, Widget child) {
-    return child;
+    return super.buildTransitions(context, animation, secondaryAnimation, child);
   }
 
   BoostPageRoute(