Do not wake up NPC if there is still a mind attached. (#27651)

Do not wake up NPC if there is still a mind attached. (#27651)

* Do not wake up NPC if there is still a mind attached.

This became apparent with diona nymphs (?) and slime gyras (?). This caused players that disconnected while a nymph, gyras or other npc to resume their NPC behavior. Which I would call unwanted. This fixes that.

* Zombies become AI anyway

* Update Content.Server/NPC/Systems/NPCSystem.cs

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Co-authored-by: Nemanja <98561806+EmoGarbage404@users.noreply.github.com>