修复无法添加到商品框中的问题

lib/pages/live/live_stream/live_page.dart

@@ -59,7 +59,7 @@ class _LivePageState extends State<LivePage> {
   TopicListModel _topicModel;
   TextEditingController _editingController = TextEditingController();
   TextEditingController _messageController = TextEditingController();
-  List<int> pickedIds = [];
+  List<num> pickedIds = [];
   int liveItemId = 0;
   bool _isStream = false;
   LiveStreamInfoModel _streamInfoModel;

lib/pages/live/live_stream/live_pick_goods_page.dart

@@ -16,7 +16,7 @@ import 'package:recook/widgets/recook_back_button.dart';
 import 'package:recook/widgets/recook_indicator.dart';
 
 class LivePickGoodsPage extends StatefulWidget {
-  final Function(List<int> ids) onPickGoods;
+  final Function(List<num> ids) onPickGoods;
   LivePickGoodsPage({Key key, @required this.onPickGoods}) : super(key: key);
 
   @override