Port TG updating appearances (#17943)

* Get pants that match or else you gonna look silly yo

* Posters

* Fix other hud elements

* Rereviewed

* Update shotglass.dm

* Fix for new merged PRs

* Typo

* Coming across other stuff

* Update theblob.dm

* No takebacksies

* smh i forget to leave a comment

* Updated for the detgun and cards

* Should have rerun langserver again

* No longer plastic, more in scope

* Damn you bluespace

* Reverting turret logic, out of scope at this point

* Tweak that part

* Went over energy guns again, and fixed UI White's sprite sheet

* Welding masks, glasses, and JUSTICE

* Update portable_atmospherics.dm

* Cleaning up, clearing things up

* Review and suggestions

* Update valve.dm

* More tweaks

* Missing character

* Not distinct lightmasks, so they can be overlays

* Update generator.dm

* Add parameter so holodeck doesn't try to make a perfect copy

* Update unsorted.dm

* Spiders

* Better fix for spiders, fix vamps too

* Ghosts

* Update telekinesis.dm

* Cleaning up old procs

* It's set up to not copy datums... Unless they're in a list

* Donuts, duct tape, and detgun. D3VR coming to Early Access

* Update procs that interact with doors so they call update_state instead

* Forgot one spot, and actually might as well just force lock

* Cleaning up other things... Sigh, and kitty ears

* oops

* Getting used to how it works

* blinds

* Going back to the suit obscuring thing, so it doesn't update all the time

* Missed that from merging master

* I made this PR and forgot about it

* Fix runtimes in cards

* Make things a bit more unified

* Update update_icons.dm

* yarn, really?

* Update library_equipment.dm

* Update shieldgen.dm

* Every time Charlie merges something, I go back and see if I can improve things further

* what's this? more?

* Update misc_special.dm

* wow, paper

* Review

* More reviews

* To be sure, seems like being broken messed something sometimes

* Brought airlocks closer to how TG works to iron out some stuff

* Pizza and morgue

* Doesn't seem to hurt, tried with holodeck

* Revert "Doesn't seem to hurt, tried with holodeck"

This reverts commit 158529302b.

* Icon conflict

* Fix organ damage

* Don't ask how. Why. It's like that on prod too.

* Cutting down on things and updating from TG.

* More flexible. Just in case the thing you stuck it on didn't destroy.

* Hydro was one the things I touched earlier on, better rework it

* Reviews

* Cleaning up further, also bri'ish

* Undo a change I did, and switch over to a more recent implementation

* Update biogenerator.dm

* Rolling back to old airlocks, but with new duct taped note

* Functionally the same. I'd just rather not have the smoothing happen there

* Went over APCs again

* Fix welding helmet names in species files

* Update airlock.dm

* Update persistent_overlay.dm

* Oh, topic

code/modules/shuttle/emergency.dm

@@ -343,9 +343,12 @@
 	icon_state = "dorm_available"
 	density = FALSE
 
-/obj/machinery/computer/shuttle/pod/update_icon()
+/obj/machinery/computer/shuttle/pod/update_icon_state()
 	return
 
+/obj/machinery/computer/shuttle/pod/update_overlays()
+	return list()
+
 /obj/machinery/computer/shuttle/pod/emag_act(mob/user as mob)
 	to_chat(user, "<span class='warning'> Access requirements overridden. The pod may now be launched manually at any time.</span>")
 	admin_controlled = 0

code/modules/shuttle/shuttle_manipulator.dm

@@ -23,16 +23,16 @@
 
 /obj/machinery/shuttle_manipulator/Initialize(mapload)
 	. = ..()
-	update_icon()
+	update_icon(UPDATE_OVERLAYS)
 
-/obj/machinery/shuttle_manipulator/update_icon()
-	overlays.Cut()
+/obj/machinery/shuttle_manipulator/update_overlays()
+	. = ..()
 	var/image/hologram_projection = image(icon, "hologram_on")
 	hologram_projection.pixel_y = 22
 	var/image/hologram_ship = image(icon, "hologram_whiteship")
 	hologram_ship.pixel_y = 27
-	overlays += hologram_projection
-	overlays += hologram_ship
+	. += hologram_projection
+	. += hologram_ship
 
 /obj/machinery/shuttle_manipulator/attack_ghost(user as mob)
 	attack_hand(user)

code/modules/shuttle/shuttle_rotate.dm

@@ -54,7 +54,7 @@ If ever any of these procs are useful for non-shuttles, rename it to proc/rotate
 		var/temp = d1
 		d1 = d2
 		d2 = temp
-	update_icon()
+	update_icon(UPDATE_ICON_STATE)
 
 /obj/structure/shuttle/engine/shuttleRotate(rotation, params)
 	setDir(angle2dir(rotation+dir2angle(dir)))

code/modules/shuttle/supply.dm

@@ -287,7 +287,7 @@
 	reqform.info += "<hr>"
 	reqform.info += "STAMP BELOW TO APPROVE THIS REQUISITION:<br>"
 
-	reqform.update_icon()	//Fix for appearing blank when printed.
+	reqform.update_icon(UPDATE_ICON_STATE)	//Fix for appearing blank when printed.
 
 	return reqform