修复多店手动退款有赠品显示问题

问题描述：

平台手动退款有赠品金额显示问题。

解决方法：

src/pages/order/orderList/components/tableList.vue，找到这个文件，对照修改getOnlyrefundData方法。

    getOnlyrefundData(id, refund_type) {
      let _info = this.rowActive._info;
      let cart_info = Object.keys(_info).map((key) => {
        return _info[key].cart_info;
      }).filter((value) => {
        return !value.is_gift;
      });
      cart_info.forEach((value) => {
        value.refundPrice = this.$computes.Div(value.refund_price, value.cart_num);
        value.refundNum = value.cart_num - value.refund_num;
        value._disabled = !value.refundNum;
      });
      this.refundProduct = cart_info;
      if (this.refundProductNum === 1) {
        this.refundSelection = cart_info;
      }
      this.refundModal = true;
    },