Cleanup to various loc assignments and nearby code

code/game/gamemodes/wizard/artefact.dm

@@ -234,11 +234,10 @@
 
 	if(!link)
 		if(I.loc == user && istype(I) && I.w_class <= WEIGHT_CLASS_SMALL)
-			user.drop_item()
-			I.loc = src
-			link = I
-			to_chat(user, "You attach [I] to the doll.")
-			update_targets()
+			if (user.transferItemToLoc(I,src))
+				link = I
+				to_chat(user, "You attach [I] to the doll.")
+				update_targets()
 
 /obj/item/voodoo/check_eye(mob/user)
 	if(loc != user)

code/game/gamemodes/wizard/soulstone.dm

@@ -164,7 +164,7 @@
 			if(contents.len)
 				to_chat(user, "<span class='userdanger'>Capture failed!</span>: The soulstone is full! Free an existing soul to make room.")
 			else
-				T.loc = src //put shade in stone
+				T.forceMove(src) //put shade in stone
 				T.status_flags |= GODMODE
 				T.canmove = 0
 				T.health = T.maxHealth

code/game/gamemodes/wizard/wizard.dm

@@ -30,7 +30,7 @@
 		to_chat(wizard.current, "<span class='boldannounce'>A starting location for you could not be found, please report this bug!</span>")
 		return 0
 	for(var/datum/mind/wiz in wizards)
-		wiz.current.loc = pick(GLOB.wizardstart)
+		wiz.current.forceMove(pick(GLOB.wizardstart))
 
 	return 1