[MIRROR] Multi Bugfix (#12824)

Co-authored-by: Cameron Lennox <killer65311@gmail.com>

code/modules/resleeving/infocore_records.dm

@@ -365,6 +365,7 @@
 	H.resize(sizemult, FALSE)
 	H.appearance_flags = aflags
 	H.weight = weight
+	H.changeling_locked = changeling_locked
 	if(speciesname)
 		H.custom_species = speciesname
 

code/modules/resleeving/machines.dm

@@ -514,6 +514,9 @@
 		if(occupant.mind.antag_holder)
 			occupant.mind.antag_holder.apply_antags(occupant)
 
+		if(occupant.changeling_locked || occupant.mind.antag_holder.changeling)
+			occupant.make_changeling()
+
 	if(original_occupant)
 		occupant = original_occupant