public async Task DeleteParticipant(Guid projectId, Guid userId)
{
var name_text = User.Identity.Name;
Guid user_Id = (Guid)ur.GetID(name_text);
await _userActionRepository.DeleteParticipantAsync(user_Id, name_text, projectId, userId);
await this._participantsRepository.SetInactiveAsync(projectId : projectId, userId : userId);
}