Adds DropLocation(). To generally be preferred to get_turf() (#29814)

Fixes #29802

Unlike get_turf()this will sensibly pick if loc can be safely used

code/game/objects/structures/crates_lockers/closets.dm

@@ -110,7 +110,12 @@
 	return 1
 
 /obj/structure/closet/proc/dump_contents()
-	var/turf/T = get_turf(src)
+	var/atom/L = loc
+	if(!L)
+		for(var/I in src)
+			qdel(I)
+		return
+	var/turf/T = L.drop_location()
 	for(var/atom/movable/AM in src)
 		AM.forceMove(T)
 		if(throwing) // you keep some momentum when getting out of a thrown closet
@@ -119,7 +124,10 @@
 		throwing.finalize(FALSE)
 
 /obj/structure/closet/proc/take_contents()
-	var/turf/T = get_turf(src)
+	var/atom/L = loc
+	if(!L)
+		return
+	var/turf/T = L.drop_location()
 	for(var/atom/movable/AM in T)
 		if(AM != src && insert(AM) == -1) // limit reached
 			break
@@ -448,3 +456,6 @@
 /obj/structure/closet/singularity_act()
 	dump_contents()
 	..()
+
+/obj/structure/closet/AllowDrop()
+	return TRUE