优化 SQL 查询行号生成逻辑

在 `GroupsController.cs` 文件中，修改了 SQL 查询的行号生成逻辑，排序依据从 `gdi.CreateTime` 更改为 `gdi.VisitStartDate`。同时，删除了 `From` 子句中的部分内容，以优化查询性能或调整数据源选择。

OASystem/OASystem.Api/Controllers/GroupsController.cs

@@ -505,7 +505,7 @@ namespace OASystem.API.Controllers
                                              	VisitDate,VisitDays,VisitPNumber,JietuanOperatorId,
                                              	JietuanOperator,IsSure,CreateTime,IsBid
                                              	From (
-                                             	Select row_number() over(order by gdi.CreateTime Desc) as Row_Number,
+                                             	Select row_number() over(order by gdi.VisitStartDate Desc) as Row_Number,
                                                 CASE WHEN gdi.JietuanOperator = 4 OR gdi.JietuanOperator = 21 THEN '国交部'
                                                 ELSE (Select DepName FROM OA2023DB.dbo.Sys_Department WHERE Id = su.DepId) END AS 'Department',
                                              	gdi.Id,SalesQuoteNo,TourCode,ssd.Id TeamTypeId, ssd.Name TeamType,