Merge pull request #5103 from Citadel-Station-13/upstream-merge-34901

[MIRROR] Fixes brains being left in hands after being inserted into heads

code/modules/mob/living/brain/brain_item.dm

@@ -126,7 +126,7 @@
 //since these people will be dead M != usr
 
 	if(!C.getorgan(/obj/item/organ/brain))
-		if(!C.get_bodypart("head") || !C.temporarilyRemoveItemFromInventory(src))
+		if(!C.get_bodypart("head") || !user.temporarilyRemoveItemFromInventory(src))
 			return
 		var/msg = "[C] has [src] inserted into [C.p_their()] head by [user]."
 		if(C == user)