Fixes being able to clone brains with short telomeres (#22283)

code/datums/traits/negative.dm

@@ -823,7 +823,6 @@
 	desc = "Due to hundreds of cloning cycles, your DNA's telomeres are dangerously shortened. Your DNA can't support cloning without expensive DNA restructuring, and what's worse- you work for Nanotrasen."
 	icon = "magnifying-glass-minus"
 	value = -2
-	mob_trait = TRAIT_SHORT_TELOMERES
 	medical_record_text = "DNA analysis indicates that the patient's DNA telomeres are artificially shortened from previous cloner usage."
 
 /datum/quirk/telomeres_short/check_quirk(datum/preferences/prefs)
@@ -836,6 +835,28 @@
 		return "Your species cannot be cloned!"
 	return FALSE
 
+//we apply it directly to the dna so it carries over to the brain mob if someone tries to clone the brain
+/datum/quirk/telomeres_short/New(mob/living/quirk_mob, spawn_effects, no_init)
+	. = ..()
+	var/datum/dna/holder = quirk_holder?.has_dna()
+	if(holder)
+		holder.features |= TRAIT_SHORT_TELOMERES
+
+/datum/quirk/telomeres_short/Destroy()
+	. = ..()
+	var/datum/dna/holder = quirk_holder?.has_dna()
+	if(holder)
+		holder.features -= TRAIT_SHORT_TELOMERES
+
+/datum/quirk/telomeres_short/transfer_mob(mob/living/to_mob)
+	. = ..()
+	var/datum/dna/holder = quirk_holder?.has_dna()
+	if(holder)
+		holder.features -= TRAIT_SHORT_TELOMERES
+	holder = to_mob?.has_dna()
+	if(holder)
+		holder.features |= TRAIT_SHORT_TELOMERES
+
 /datum/quirk/body_purist
 	name = "Body Purist"
 	desc = "You believe your body is a temple and its natural form is an embodiment of perfection. Accordingly, you despise the idea of ever augmenting it with unnatural parts, cybernetic, prosthetic, or anything like it."

code/game/machinery/computer/cloning.dm

@@ -555,7 +555,7 @@
 		playsound(src, 'sound/machines/terminal_prompt_deny.ogg', 50, 0)
 		return 
 
-	if(HAS_TRAIT(mob_occupant,TRAIT_SHORT_TELOMERES))
+	if(TRAIT_SHORT_TELOMERES in dna.features)
 		say("Error: Scan indicates occupant's DNA telomeres are too short to properly scan. Aborting.")
 		return