修复新增采购方案分组Idbug

BBWYB.Server.Business/PurchaseScheme/PurchaseSchemeBusiness.cs

@@ -325,6 +325,7 @@ namespace BBWYB.Server.Business
                             ShopId = psReq.ShopId
                         };
                         insertPurchaseSchemeGroupsList.Add(insertSchemeGroup);
+                        psReq.SchemeGroupId = insertSchemeGroup.Id;
                     }
 
                     var ps = new PurchaseScheme()