同步数据库查询改为异步提升性能

将涉及 Grp_GroupCostParameter、Grp_GroupCost、Sys_SetData 等表的同步查询方法（ToList）替换为异步方法（ToListAsync），并添加 await 关键字，提升接口并发性能，避免线程阻塞，提高系统响应效率。

OASystem/OASystem.Api/Controllers/GroupsController.cs

@@ -29273,7 +29273,7 @@ end as 'country'
                 #endregion
 
                 //Grp_GroupCostParameter 预算表 Grp_GroupCost 详细费用列表
-                var _GroupCostParameters = _usersRep._sqlSugar.Queryable<Grp_GroupCostParameter>().Where(it => it.IsDel == 0 && it.DiId == dto.DiId).ToList();
+                var _GroupCostParameters = await _sqlSugar.Queryable<Grp_GroupCostParameter>().Where(it => it.IsDel == 0 && it.DiId == dto.DiId).ToListAsync();
 
                 if (_GroupCostParameters.Count <= 0)
                 {
@@ -29284,7 +29284,7 @@ end as 'country'
                 {
                     return Ok(JsonView(false, "该团组成本未完成!", new List<dynamic>()));
                 }
-                var _GroupCosts = _usersRep._sqlSugar.Queryable<Grp_GroupCost>().Where(it => it.IsDel == 0 && it.Diid == dto.DiId).ToList();
+                var _GroupCosts = await _sqlSugar.Queryable<Grp_GroupCost>().Where(it => it.IsDel == 0 && it.Diid == dto.DiId).ToListAsync();
 
                 //处理date为空问题
                 if (_GroupCosts.Count > 0)
@@ -29304,7 +29304,7 @@ end as 'country'
                 GroupCostModulePromptView _view = new GroupCostModulePromptView();
                 List<GroupCostModulePromptInfo> _ModulePromptInfos = new List<GroupCostModulePromptInfo>(); //机票存储多段
 
-                var currDatas = _sqlSugar.Queryable<Sys_SetData>().Where(it => it.IsDel == 0 && it.STid == 66).ToList();
+                var currDatas = await _sqlSugar.Queryable<Sys_SetData>().Where(it => it.IsDel == 0 && it.STid == 66).ToListAsync();
 
                 string currCode = "";
                 #region currCode 验证
@@ -29324,7 +29324,6 @@ end as 'country'
                 }
                 #endregion
 
-
                 //op,酒店单段模式存储
                 GroupCostModulePromptInfo _ModulePromptInfo = new GroupCostModulePromptInfo()
                 {
@@ -29364,7 +29363,6 @@ end as 'country'
                     //}
                     #endregion
 
-
                     GroupCostModulePromptInfo modulePromptInfo = new GroupCostModulePromptInfo()
                     {
                         CurrencyCode = currCode,
@@ -29491,7 +29489,7 @@ end as 'country'
                                     AirZCB = (item.GWCRS * item.GWCCB)
                                 }
                             );
-                            var groupCosts = _usersRep._sqlSugar.Queryable<Grp_GroupCost>().Where(it => it.IsDel == 0 && it.Diid == dto.DiId).ToList();
+                            var groupCosts = await _sqlSugar.Queryable<Grp_GroupCost>().Where(it => it.IsDel == 0 && it.Diid == dto.DiId).ToListAsync();
                             var initDatas = groupCosts.Select(it => new { date = it.Date, week = it.Date.GetWeek() == "" ? "-" : it.Date.GetWeek(), itinerary = it.ITIN }).ToList();
 
                             modulePromptInfo.Data = new