That is indeed very sad news.

But let me try to interpret it as good: your daughter is very reasonably angry about the whole situation, so she's striking back. But she's doing it in a way that is purely symbolic, and particularly, she's not doing it by doing self-destructive things.

You're doing the right thing by cooperating and making it as easy on her as possible. I think this is a necessary first step to later normalizing relations with her.

Very best wishes, we're rooting for you!