Improve conflict resolution for already disabled nodes

Currently the Ui conflict resolution _could_ be improved though but it handles it:


<img width="676" alt="image" src="https://github.com/user-attachments/assets/b4fdf829-d125-46a5-bf21-7af99191d646">

_Originally posted by @mhsdesign in https://github.com/neos/neos-development-collection/pull/5357#pullrequestreview-2426557331_
            