Fix stone not being cuttable since recent commit

handlers/helpers.lua

@@ -23,7 +23,7 @@ function xdecor.tablecopy(T)
 		if type(v) == "table" then
 			new[k] = xdecor.tablecopy(v)
 		else
-			new[k] = item
+			new[k] = v
 		end
 	end
 	return new

worktable.lua

@@ -10,8 +10,8 @@ function worktable:nodes(def)
 		def.after_place_node and not def.on_rightclick and not
 		def.on_blast and not def.allow_metadata_inventory_take and not
 		(def.groups.not_in_creative_inventory == 1) and not
-		def.groups.wool and not def.drop and def.light_source == 0 and
-		def.description and def.description ~= ""
+		def.groups.wool and not def.description:find("Ore") and
+		def.description and def.description ~= "" and def.light_source == 0
 end
 
 -- Nodeboxes definitions.