COMPLETELY FUCKING REFACTORS TOOL CHECKING CODE

dear FUCKING GOD why was it like this, it hurts soooo bad DDDD:

code/game/objects/structures/kitchen_spike.dm

@@ -22,7 +22,7 @@
 			var/obj/F = new /obj/structure/kitchenspike(src.loc)
 			transfer_fingerprints_to(F)
 			qdel(src)
-	else if(istype(I, /obj/item/weldingtool))
+	else if(I.tool_behavior == TOOL_WELDER)
 		if(!I.tool_start_check(user, amount=0))
 			return
 		to_chat(user, "<span class='notice'>You begin cutting \the [src] apart...</span>")
@@ -240,4 +240,4 @@
 			untie_mob(L)
 	return ..()
 
-#undef VIABLE_MOB_CHECK
+#undef VIABLE_MOB_CHECK