Completely refactors hallucinations, and also adds a few (#69706)

* Refactors hallucinations slightly, organizes them

* Refactors hallucination into a status effect

* Further hallucination proper refactoring

* Refactors battle hallucinations

* Refactors "fake item other" hallucination

* Gets it a bit closer to working state

* Refactors screwydoll and fake alerts

* Refactors fake inhand items

* Refactors a few more.
- Fake death
- Fake messages
- Fake sounds
- Projectiles

* Refactoring delusions, hallucination effects

* Furthering the hallucination status effect
- removes copypaste of hallucination pulses

* Almost finalizes the changeover to status effect

* Last staus effect stuff

* Delusion business

* Airlocks, fire, and more delusion stuff

* Finishes screwyhud. It compiles now!

* Swaps screwyhud over to a grouped status effect

* Removes hal_screwyhud

* Comment

* Bugfixing

* image cleaning

* Get rid of this it came back

* What if I finished this branch?

* Oops

* Messing with the randomness

* Mass hallucination tweaks

* +

* Some more mass tweaks

* Review

* Updates

* Unit tests hallucination icons

* More tweaks

* Move folder

* Another re-name

* Minor tweaks

* Anomaly unity

* Mass hallucination buffs

* t

* Sig

* Merge

* Lints

* Unit test already coming in clutch

* Another failure

* Use named args for cause_hallucination via some define trickery

* Some cleanup

* This is better

* adds some hallucinations

* Oops

* More sounds

* Tweaks

* Some additional documentation

* Flash

* Fixes mass hallucination

* Json changes

* Updates documentation

* Json conflicts

* Makes it work

* Missed that one too

* Helpers

* More signalization (WIP)

* Fixes bump

* Missed a helper use

* Dumb

code/modules/mining/lavaland/megafauna_loot.dm

@@ -278,8 +278,7 @@
 	var/mob/living/carbon/wearer = loc
 	if(istype(wearer) && DT_PROB(1, delta_time)) //cursed by bubblegum
 		if(prob(7.5))
-			new /datum/hallucination/oh_yeah(wearer)
-			to_chat(wearer, span_colossus("<b>[pick("I AM IMMORTAL.","I SHALL TAKE BACK WHAT'S MINE.","I SEE YOU.","YOU CANNOT ESCAPE ME FOREVER.","DEATH CANNOT HOLD ME.")]</b>"))
+			wearer.cause_hallucination(/datum/hallucination/oh_yeah, "H.E.C.K suit", haunt_them = TRUE)
 		else
 			to_chat(wearer, span_warning("[pick("You hear faint whispers.","You smell ash.","You feel hot.","You hear a roar in the distance.")]"))