public void FillNulls(FullSubletModel oldFsm, FullSubletModel fsm)
{
foreach (var prop in fsm.GetType().GetProperties())
{
if (prop.CanRead)
{
if (prop.GetValue(fsm) == null)
{
prop.SetValue(fsm, prop.GetValue(oldFsm));
}
}
}
}
