feat(WmsMaterialCoilController): 添加合同编号字段到自定义导出

- 在控制器中添加合同编号字段映射
- 更新列配置以包含合同编号显示

klp-wms/src/main/java/com/klp/controller/WmsMaterialCoilController.java

@@ -200,6 +200,7 @@ public class WmsMaterialCoilController extends BaseController {
         columns.put("businessPurpose", "业务用途");
         columns.put("isRelatedToOrderText", "是否与订单相关");
         columns.put("saleName", "销售人员");
+        columns.put("contractNo", "合同编号");
         columns.put("actualThickness", "实测厚度");
         columns.put("transferType", "调拨类型");
         columns.put("team", "班组");