Reworks the morph. Makes it a more stealth ambush oriented antag (#15208)

* Reworks the morph

* Hunger points. Reproduce. Sprites. Other tweaks

* vent open. Convert to spells. Valid checks. Minor tweaks

* undo life hack

* Icons, Fixes, No more morphed lights

* Item eat fix. All eating takes 3 seconds

* Add sounds

* Fixes and tweaks. Pass airlock ability. Ambush screen alert

* Steel review fixes

* New dead morph sprite from Pewtershmitz

* Pass airlock sprite provided by Pewtershmitz

* No barsigns or cryo cells as mimic

* Gluttany ruin change

* Color fix. No forms fix

* fix the stupid icons

* Apply suggestions from code review

Co-authored-by: dearmochi <shenesis@gmail.com>

Co-authored-by: joep van der velden <15887760+farie82@users.noreply.github.com>
Co-authored-by: dearmochi <shenesis@gmail.com>

code/game/objects/items/tools/wirecutters.dm

@@ -38,7 +38,7 @@
 		C.update_handcuffed()
 		return
 	else
-		..()
+		return ..()
 
 /obj/item/wirecutters/suicide_act(mob/user)
 	user.visible_message("<span class='suicide'>[user] is cutting at [user.p_their()] arteries with [src]! It looks like [user.p_theyre()] trying to commit suicide!</span>")

code/game/objects/items/weapons/dna_injector.dm

@@ -395,6 +395,28 @@
 	block = GLOB.smallsizeblock
 	..()
 
+/obj/item/dnainjector/eatmut
+	name = "DNA-Injector (Matter Eater)"
+	desc = "Gives you an appetite for anything."
+	datatype = DNA2_BUF_SE
+	value = 0xFFF
+	forcedmutation = TRUE
+
+/obj/item/dnainjector/eatmut/Initialize()
+	block = GLOB.eatblock
+	return ..()
+
+/obj/item/dnainjector/antieat
+	name = "DNA-Injector (Anti-Matter Eater)"
+	desc = "Makes you regain your normal appetite."
+	datatype = DNA2_BUF_SE
+	value = 0x001
+	forcedmutation = TRUE
+
+/obj/item/dnainjector/antieat/Initialize()
+	block = GLOB.eatblock
+	return ..()
+
 /////////////////////////////////////
 /obj/item/dnainjector/antiglasses
 	name = "DNA-Injector (Anti-Glasses)"