public ActionResult Edit(int id)
        {
            var ticket = _ticketService.GetTicketForEdit(id);

            if (ticket.AssigneeId.HasValue)
            {
                ViewBag.AssigneeId = _userService.GetAllAsSelectList(ticket.AssigneeId.Value);
            }
            else
            {
                ViewBag.AssigneeId = _userService.GetAllAsSelectList();
            }
            return(View("_EditTicketModal", ticket));
        }