public ActionResult <DetectedObject> GetMissionByUserId()
        {
            var missions = _missionRepository.GetByUserId(UserId);

            if (missions != null)
            {
                foreach (var mission in missions)
                {
                    mission.User = null;
                    foreach (var dObject in mission.DetectedObjects)
                    {
                        dObject.Mission = null;
                    }
                }
                return(Ok(missions));
            }

            return(NotFound());
        }