use default gold block for plasma_lamp

homedecor/lighting.lua

@@ -129,7 +129,7 @@ end
 homedecor.register("plasma_lamp", {
 	description = "Plasma Lamp",
 	drawtype = "glasslike_framed",
-	tiles = {"homedecor_gold_block.png","homedecor_glass_face_clean.png"},
+	tiles = {"default_gold_block.png","homedecor_glass_face_clean.png"},
 	special_tiles = {
 		{
 			name="homedecor_plasma_storm.png",