bug313【订单-复制】复制有客户经理的订单，提交订单时，前端传参没有将原订单的客户经理清空

src/pages/create_order/create_order.vue

@@ -2055,6 +2055,8 @@ export default {
               that.params.oldStatus = null
               that.params.oldShipmentState = null
               that.params.orderType = null
+              //重置客户经理
+              this.params.salesmanId = null
               // 时间重置
               that.params.takeTime = null
               that.params.unloadTime = null