Aheal no longer turns monkies in to humans (#82393)

## About The Pull Request

Also changes the Make Monkey Admin button to turn you into a monkey with
mutations instead of just creating a new being.
Closes: https://github.com/tgstation/tgstation/issues/80744
Mabye Closes: https://github.com/tgstation/tgstation/issues/81722

## Changelog

🆑
fix: aheal no longer turns monkies into humans
qol: Player panel "make monkey" turns humans into monkeys through
mutation instead of making a new mob
/🆑

code/modules/admin/topic.dm

@@ -199,7 +199,12 @@
 				if(posttransformoutfit && istype(newmob))
 					newmob.equipOutfit(posttransformoutfit)
 			if("monkey")
-				M.change_mob_type( /mob/living/carbon/human/species/monkey , null, null, delmob )
+				if(ishuman(M))
+					var/mob/living/carbon/human/H = M
+					H.dna.add_mutation(/datum/mutation/human/race, MUT_NORMAL)
+					H.dna.activate_mutation(/datum/mutation/human/race)
+				else
+					M.change_mob_type( /mob/living/carbon/human/species/monkey , null, null, delmob )
 			if("robot")
 				M.change_mob_type( /mob/living/silicon/robot , null, null, delmob )