COMPLETELY FUCKING REFACTORS TOOL CHECKING CODE

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

code/game/objects/items/twohanded.dm

@@ -452,7 +452,7 @@
 	possible_colors = list("purple")
 
 /obj/item/twohanded/dualsaber/attackby(obj/item/W, mob/user, params)
-	if(istype(W, /obj/item/multitool))
+	if(W.tool_behavior == TOOL_MULTITOOL)
 		if(!hacked)
 			hacked = TRUE
 			to_chat(user, "<span class='warning'>2XRNBW_ENGAGE</span>")
@@ -896,4 +896,4 @@
 		var/client/C = user.client
 		C.change_view(CONFIG_GET(string/default_view))
 		user.client.pixel_x = 0
-		user.client.pixel_y = 0
+		user.client.pixel_y = 0