Golems do not have underclothing

- New species flag NO_UNDERWEAR.
- Species with this flag do not have underwear, undershorts or socks
rendered on their mobs, and are unable to use dressers.

🆑 coiax
fix: Golems no longer have underwear, undershorts or socks.
/🆑

If golems are unable to wear human jumpsuits or exosuits, they
certaintly won't be able to wear anything tighter.

code/game/objects/structures/dresser.dm

@@ -12,6 +12,10 @@
 	if(ishuman(user))
 		var/mob/living/carbon/human/H = user
 
+		if(H.dna && H.dna.species && (NO_UNDERWEAR in H.dna.species.species_traits))
+			to_chat(user, "<span class='warning'>You are not capable of wearing underwear.</span>")
+			return
+
 		var/choice = input(user, "Underwear, Undershirt, or Socks?", "Changing") as null|anything in list("Underwear","Undershirt","Socks")
 
 		if(!Adjacent(user))
@@ -32,4 +36,4 @@
 					H.socks= new_socks
 
 		add_fingerprint(H)
-		H.update_body()
+		H.update_body()