Backports the new zombification mechanics from the Konyang zombie event. (#18710)

* Reorder parasites

* sounds

* organ defines, dmdocs

* maiming stuff

* undead changes, abilities

* hylemnomil, undead sprites

* antibodies

* antibody extractor code

* icons

* antibody fixes

* antibodies vial, rock break sfx

* You're all going to die down here.

* hylemnomilz eta vial and attributions

* zombified organs can't be removed

* hylemnomil zeta edits

* fixes

* lmao

* easier check

---------

Co-authored-by: Matt Atlas <liermattia@gmail.com>

code/modules/cargo/random_stock/t2_uncommon.dm

@@ -91,7 +91,7 @@ STOCK_ITEM_UNCOMMON(chempack, 5)
 	var/list/chems = GET_SINGLETON_SUBTYPE_MAP(/singleton/reagent/)
 	var/list/exclusion = list(/singleton/reagent/drink, /singleton/reagent, /singleton/reagent/adminordrazine, /singleton/reagent/polysomnine/beer2, /singleton/reagent/azoth, /singleton/reagent/elixir,\
 		/singleton/reagent/liquid_fire, /singleton/reagent/philosopher_stone, /singleton/reagent/toxin/undead, /singleton/reagent/love_potion, /singleton/reagent/shapesand, /singleton/reagent/usolve,\
-		/singleton/reagent/sglue, /singleton/reagent/black_matter, /singleton/reagent/bottle_lightning, /singleton/reagent/toxin/trioxin, /singleton/reagent/toxin/nanites, /singleton/reagent/nitroglycerin, \
+		/singleton/reagent/sglue, /singleton/reagent/black_matter, /singleton/reagent/bottle_lightning, /singleton/reagent/toxin/hylemnomil, /singleton/reagent/toxin/nanites, /singleton/reagent/nitroglycerin, \
 		/singleton/reagent/aslimetoxin, /singleton/reagent/sanasomnum, /singleton/reagent/rezadone, /singleton/reagent/toxin/carpotoxin)
 	chems -= exclusion
 	for (var/i in 1 to rand(2, 4))