* [no gbp] Don't give every heretic mob mirror walk (#78949)
## About The Pull Request
Fixes#78942
Don't give every heretic mob mirror walk
Also restores their spaceproofing.
The causes of this were respectively:
- I didn't type out the full typepath.
- I forgot.
## Changelog
🆑
fix: "Mirror Walk" is once more the domain of the Maid in the Mirror
rather than "every heretic summon"
fix: Heretic mobs can once again survive space
/🆑
* [no gbp] Don't give every heretic mob mirror walk
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Co-authored-by: Jacquerel <hnevard@gmail.com>
202bc087ac