fix: 采购收货单列表更新订单数量字段

src/views/purchasingManage/purchaseOrder/invoice/index.vue

@@ -275,7 +275,7 @@
             minWidth: 140
           },
           {
-            prop: 'productCount',
+            prop: 'orderTotalCount',
             label: '订单数量',
             align: 'center',
             showOverflowTooltip: true,