fix: 接通服务器V2排序链路

- 将排序参数从V2 Handler传递至Service与Repository

- 增加仓储分页排序与参数白名单测试

backend/service/service.go

@@ -29,8 +29,8 @@ func NewServerService(repo *repository.ServerRepository, cache ezredis.Cache, cr
 }
 
 // ListServers 获取服务器列表
-func (s *ServerService) ListServers(keyword, status, regionID string, page, pageSize int) ([]model.Server, int64, error) {
-	list, total, err := s.repo.List(keyword, status, regionID, page, pageSize)
+func (s *ServerService) ListServers(keyword, status, regionID, sortField, sortOrder string, page, pageSize int) ([]model.Server, int64, error) {
+	list, total, err := s.repo.List(keyword, status, regionID, sortField, sortOrder, page, pageSize)
 	if err != nil {
 		return nil, 0, err
 	}