(Probably) fixes all the hair gradient runtimes

adds a single line of code from HS's version of species.dm

code/modules/mob/living/carbon/human/species.dm

@@ -488,7 +488,6 @@ GLOBAL_LIST_EMPTY(roundstart_races)
 			standing += hair_overlay
 			standing += gradient_overlay
 
-
 	if(standing.len)
 		H.overlays_standing[HAIR_LAYER] = standing
 
@@ -500,6 +499,7 @@ GLOBAL_LIST_EMPTY(roundstart_races)
 	var/list/standing = list()
 
 	var/obj/item/bodypart/head/HD = H.get_bodypart(BODY_ZONE_HEAD)
+	H.handle_cosmetic_parts()
 
 	if(HD && !(HAS_TRAIT(H, TRAIT_HUSK)))
 		// lipstick