feat(发货单): 为批次选择器添加可清空功能

src/views/saleManage/saleOrder/invoice/components/inventoryTable.vue

@@ -80,6 +80,7 @@
           <!-- <el-input v-model="scope.row.batchNo" v-no-chinese></el-input> -->
           <el-select
             v-model="scope.row.batchStockId"
+            clearable 
             placeholder="请选择"
             @change="batchNoChange(scope.$index, scope.row)"
           >