编辑采购方案增加采购商新增逻辑

BBWYB.Server.Business/PurchaseScheme/PurchaseSchemeBusiness.cs

@@ -371,6 +371,8 @@ namespace BBWYB.Server.Business
             #region 更新采购方案
             if (batchCURDSchemeRequest.EditPurchaseSchemeList != null && batchCURDSchemeRequest.EditPurchaseSchemeList.Count > 0)
             {
+                ExtractNewPurchaser(batchCURDSchemeRequest.EditPurchaseSchemeList, newPurchaserList);
+
                 deletePurchaseSchemeIdList.AddRange(batchCURDSchemeRequest.EditPurchaseSchemeList.Select(ps => ps.Id));
                 foreach (var psReq in batchCURDSchemeRequest.EditPurchaseSchemeList)
                 {