feat(库存报表): 新增出入库报表功能及变动箱数字段

添加成品库出入库报表功能，包括入库报表和出库报表的查询接口
在WmGoodsRecord模型中新增ChangePackage字段记录变动箱数
修复Job_Blank.cs中多余的return null语句

ZR.Service/mes/wms/WMentryWarehousing_productService.cs

@@ -141,6 +141,7 @@ namespace ZR.Service.mes.wms
                         Partnumber = partnumbers[0] ?? "无零件号",
                         BlankNum = "",
                         ChangeType = 1,
+                        ChangePackage = totalPackage,
                         ChangeQuantity = totalPartnumber,
                         ActionTime = DateTime.Now,
                         Status = 1,

ZR.Service/mes/wms/WmGoodsOutProductionService.cs

@@ -368,6 +368,7 @@ namespace ZR.Service.mes.wms
                     Partnumber = partnumbers[0] ?? "无零件号",
                     BlankNum = "",
                     ChangeType = 2,
+                    ChangePackage = totalPackage,
                     ChangeQuantity = totalPartnumber,
                     ActionTime = DateTime.Now,
                     Status = 1,

ZR.Service/mes/wms/WmOutOrderService.cs

@@ -551,6 +551,7 @@ namespace ZR.Service.mes.wms
                         Partnumber = partnumbers[0] ?? "无零件号",
                         BlankNum = "",
                         ChangeType = 2,
+                        ChangePackage = totalPackage,
                         ChangeQuantity = totalPartnumber,
                         ActionTime = DateTime.Now,
                         Status = 1,
@@ -571,7 +572,7 @@ namespace ZR.Service.mes.wms
                             + "\n涉及批次号:\n"
                             + string.Join(',', packageCodeRemark),
 
-                        CreatedBy = Createby,
+                        CreatedBy = Createby ?? "系统操作",
                         CreatedTime = DateTime.Now,
                     };
                 int recordNum = Context.Insertable(wmGoodsRecord).ExecuteCommand();