Replaced datacore mob reference with a mind reference

code/datums/datacore.dm

@@ -273,7 +273,7 @@
 		L.fields["species"]		= H.dna.species.type
 		L.fields["features"]	= H.dna.features
 		L.fields["image"]		= image
-		L.fields["reference"]	= H
+		L.fields["mindref"]		= H.mind
 		locked += L
 	return
 

code/game/gamemodes/objective.dm

@@ -27,9 +27,9 @@
 	. = list()
 	for(var/V in GLOB.data_core.locked)
 		var/datum/data/record/R = V
-		var/mob/M = R.fields["reference"]
-		if(M && M.mind)
-			. += M.mind
+		var/datum/mind/M = R.fields["mindref"]
+		if(M)
+			. += M
 
 /datum/objective/proc/find_target()
 	var/list/possible_targets = list()

code/modules/paperwork/filingcabinet.dm

@@ -200,8 +200,9 @@ GLOBAL_LIST_EMPTY(employmentCabinets)
 		var/datum/data/record/G = record
 		if(!G)
 			continue
-		if(G.fields["reference"])
-			addFile(G.fields["reference"])
+		var/datum/mind/M = G.fields["mindref"]
+		if(M && ishuman(M.current))
+			addFile(M.current)
 
 
 /obj/structure/filingcabinet/employment/proc/addFile(mob/living/carbon/human/employee)