add paginator

lib/pages/fcs_shipment/fcs_shipment_list.dart

@@ -29,6 +29,7 @@ class _FcsShipmentListState extends State<FcsShipmentList> {
         Provider.of<FcsShipmentModel>(context, listen: false).loadMore();
       }
     });
+    Provider.of<FcsShipmentModel>(context, listen: false).initData();
   }
 
   @override

lib/pages/fcs_shipment/model/fcs_shipment_model.dart

@@ -36,6 +36,14 @@ class FcsShipmentModel extends BaseModel {
     _delivered = _getDelivered();
   }
 
+  initData() {
+    _selectedIndex = 1;
+    _loadFcsShipments();
+
+    if (_delivered != null) _delivered.close();
+    _delivered = _getDelivered();
+  }
+
   Future<void> _loadFcsShipments() async {
     if (user == null || !user.hasFcsShipments()) return;
     String path = "/$fcs_shipment_collection/";