componentization part 1: "The flawed theorical code"

code/modules/research/xenobiology/xenobiology.dm

@@ -675,7 +675,7 @@
 	var/list/candidates = pollCandidatesForMob("Do you want to play as [SM.name]?", ROLE_SENTIENCE, null, ROLE_SENTIENCE, 50, SM, POLL_IGNORE_SENTIENCE_POTION) // see poll_ignore.dm
 	if(LAZYLEN(candidates))
 		var/mob/dead/observer/C = pick(candidates)
-		SM.key = C.key
+		C.transfer_key(SM, FALSE)
 		SM.mind.enslave_mind_to_creator(user)
 		SM.sentience_act()
 		to_chat(SM, "<span class='warning'>All at once it makes sense: you know what you are and who you are! Self awareness is yours!</span>")