Cleanup Zed Bits

[TheSaddestGoomba]

Summary

Content "Cleanup zombie harvest lists and polish tainted body parts."

Purpose of change

Cleanup changes made in #71862 and add new tainted parts to relevant recipes.

Describe the solution

• Updated missed enemies to match previous changes:

1. Snotgobbler
2. Unstable Raptor
3. Fungal Skeleton Zombie
4. Fungal Skeleton Brute
5. Fungal Juggernaut
6. Tiny Meat Cocoon
7. Small Meat Cocoon
8. Large Meat Cocoon
9. Gigantic Meat Cocoon
10. Zombie Hollow

• Add snippets for tainted arm, tainted leg, and tainted human skull.
• Add tainted skin scraps mostly for Zombie Hollow, but added to others as appropriate.
• Add new harvest and snippet description groups for Headless Zombies.
• Adjust harvest entries for Flesh Golem and Jabberwock.
• Add new harvest group for the Crawler and Dissoluted Devourer.
• Add tainted innards and tainted human skull to relevant recipes.
• No such luck. Explore options for making clothing left by NO_CORPSE mobs spawn as FILTHY.
• Second verse. Explore options for making drops spawned by exploding enemies scatter to nearby tiles.

Describe alternatives you've considered

• Making adjustments to the many fungal structure monsters that leave no corpse. There are many and it's not clear what should be left behind when they're destroyed.
• Including the missile spider and the caustic and bilious zombie soldiers. The latter two leave corpses despite having a death function with no corpse. I have no idea what's up with the former, the spider explodes, like fiery explosion and ignites the ground.

Testing

Much. Many repeated spawnings of relevant monsters, followed by their mass executions.
Exploding enemies leave the intended items on death effect (with the exception of clothing not being filthy).
Butchered enemies produce the appropriate items.
Recipes work as intended.
Snippets appear in the right places.

Additional context

Partly a follow-up to: #71862

[github-actions]

Spell checker encountered unrecognized words in the in-game text added in this pull request. See below for details.

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• A fat zombie haunch. It doesn't look tasty but the shape is undeniably close to a large fried chicken leg. The skin is even the right texture, though for the wrong reasons.
• Little tainted meat remains on whatever limb bones these were. It still bends at the joint but doesn't look to be moving on its own anymore.
• The brain has ossified inside this tainted skull. It doesn't feel noticeably heavier and you surmise that the brain-turned-bone must be deeply porous or hollow itself.

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