[MIRROR] People can be cloned from heads or brains (#919)

* People can be cloned from heads or brains

* .rej fixes

* Update cloning.dm

code/__HELPERS/unsorted.dm

@@ -1399,3 +1399,20 @@ GLOBAL_PROTECT(valid_HTTPSGet)
 
 /proc/pass()
 	return
+
+/proc/get_mob_or_brainmob(occupant)
+	var/mob/living/mob_occupant
+
+	if(isliving(occupant))
+		mob_occupant = occupant
+
+	else if(isbodypart(occupant))
+		var/obj/item/bodypart/head/head = occupant
+
+		mob_occupant = head.brainmob
+
+	else if(isorgan(occupant))
+		var/obj/item/organ/brain/brain = occupant
+		mob_occupant = brain.brainmob
+
+	return mob_occupant