Fixes an 8 year old bug which colored your HUDs with you (#88667)

## About The Pull Request

Partially a port of
https://github.com/DaedalusDock/daedalusdock/pull/1163 which is a port
of my own code from bitbus
Closes #88579

Instead of manually setting hud images and positioning we now can use
set_hud_image_state which also updates their position to ensure that
they scale with the owner atom. HUDs had RESET_COLOR and RESET_TRANSFORM
but no KEEP_APART, so they were stuck with mobs all this time. I
replaced RESET_TRANSFORM with PIXEL_SCALE (shouldn't be reserved to mob
huds only to be honest) and added KEEP_APART, so that HUDs still
scale/rotate with their owner but don't inherit their color. Also fixed
the dragon issue, that's where this PR actually started.

Closes https://github.com/tgstation/tgstation/issues/45411

## Why It's Good For The Game

I don't want my HUDs to be pretty pink when I make a barbie Clarke.

## Changelog
🆑
refactor: Rewrote some of HUD code so they're no longer colored in their
owner's color
fix: Space dragons no longer turn invisible when toggling seethrough
mode
/🆑

code/modules/mob/living/basic/space_fauna/morph.dm

@@ -77,16 +77,14 @@
 		return ..()
 
 	//we hide medical hud while in regular state or an item
-	var/image/holder = hud_list[HEALTH_HUD]
-	holder.icon_state = null
+	set_hud_image_state(HEALTH_HUD, null)
 
 /mob/living/basic/morph/med_hud_set_status()
 	if(isliving(form_typepath))
 		return ..()
 
 	//we hide medical hud while in regular state or an item
-	var/image/holder = hud_list[STATUS_HUD]
-	holder.icon_state = null
+	set_hud_image_state(STATUS_HUD, null)
 
 /mob/living/basic/morph/death(gibbed)
 	if(HAS_TRAIT(src, TRAIT_DISGUISED))