Paicontroller subsystem port (#19165)

* to subsystem

* wip subsystem pain

* some big recoding

* seperated

* oop

* fucking lua

* working on tgui foundation

* compile fixes

* nice and clean

* type

* inviting works

* unit testing

* agony

* test good

* typo

* that should be the basics

* Complete recode of pai saving

* restore fluff text

* migration

* pai notification automation

* swap

* length

* more fixes

* pai sprite datums

* type 13 uses all four directions

* eye handling

* use accessors

* working on icontests

* fix

* hologram eye test

* oop

* wait that doesn't work at all

* text

* eye colors and holo eyes

* lots of fixes

* fix those up

* organized

* belly cap

* that too

* death sprites

* resting eyes

* resting flag

* bad check here

* fixing icon files

* proper file

* garble

* fix some states

* pai death

* collapse pai files into single file

* allow some restricted pai interactions

* lamp

* block invites button

* collapse in remaining vr file

* this is actually needed

* documenting and organizing

* update to TGprefs

* remove gun toggle verb on pai

* forbid default name joins

* pai cable retraction

* various pai fixes

* icon forge pai

* pai eyes

* type 13 iconstate

* directionless

* small fix

* pai dir fix

* missing icon

* no fresh pais

* oops

* fixed pai join

* fixed change chassis

* pai UI

* .

* .

* reuse

* .

* .

* .

* push that

* Horro rmasks

* pai invite data change

* splitting

* use refs

* initial

* with PAI

* soem more

* .

* .

* .

* .

* ugh

* next

* pai invite

* only preview

* that

* use from char pref

* fixed pai invite not working

* small tgui fixes

* remove temp code

* .

* pai comments properly sent

* ooc

* horror

* need to use this for now

* .

* fix

* lol

* raw mob spawn fix

* pai software

* push

---------

Co-authored-by: Kashargul <144968721+Kashargul@users.noreply.github.com>

code/modules/organs/subtypes/standard.dm

@@ -363,8 +363,8 @@
 
 	//Eye color/icon
 	var/should_have_eyes = owner.should_have_organ(O_EYES)
-	var/has_eye_color = owner.species.appearance_flags & HAS_EYE_COLOR
-	if((should_have_eyes || has_eye_color) && eye_icon)
+	var/has_eye_sprites = owner.species.appearance_flags & HAS_EYE_COLOR
+	if((should_have_eyes || has_eye_sprites) && eye_icon)
 		var/obj/item/organ/internal/eyes/eyes = owner.internal_organs_by_name[O_EYES]
 		var/icon/eyes_icon = new/icon(eye_icon_location, eye_icon)
 		//Do we have a special eye icon with its own coloration? Remove
@@ -373,7 +373,7 @@
 			if(should_have_eyes)
 				//And we have them
 				if(eyes)
-					if(has_eye_color)
+					if(has_eye_sprites)
 						eyes_icon.Blend(rgb(eyes.eye_colour[1], eyes.eye_colour[2], eyes.eye_colour[3]), ICON_ADD)
 				//They're gone!
 				else