public async Task ExpelMember(UserAndOrganizationDTO userAndOrg, int projectId, string expelUserId)
{
var project = await _projectsDbSet
.Include(x => x.Members)
.FirstOrDefaultAsync(x => x.Id == projectId && x.OrganizationId == userAndOrg.OrganizationId);
ValidateExpelMember(project, userAndOrg);
project.Members.Remove(project.Members.FirstOrDefault(x => x.Id == expelUserId));
_wallService.RemoveMemberFromWall(expelUserId, project.WallId);
await _uow.SaveChangesAsync(userAndOrg.UserId);
}
