Merge pull request #11937 from Citadel-Station-13/Ghommie-patch-3

Fixing critter crates having an invalid icon state when opened.

code/game/objects/structures/crates_lockers/crates/critter.dm

@@ -22,6 +22,9 @@
 
 	return ..()
 
+/obj/structure/closet/crate/critter/update_icon_state()
+	return
+
 /obj/structure/closet/crate/critter/closet_update_overlays(list/new_overlays)
 	. = new_overlays
 	if(opened)
@@ -35,4 +38,4 @@
 	if(tank)
 		return tank.air_contents
 	else
-		return loc.return_air()
+		return loc.return_air()