Unique NPC not in Persistence Location

[Elscrux]

Context

Bethesda Path:
XLCN
Mutagen Path:
PersistentLocation

Description

Placed unique npcs should be placed in persistence location.

Effects

The npc will only be loaded when you load the cell they are placed in (like their house). They won't walk around a settlement prior to that.
Also they won't properly fill aliases in quests using the unique actor fill type.