Default/nodes: Increase meselamp light level to light_max (14)

Author: paramat

mods/default/nodes.lua

@@ -1563,7 +1563,7 @@ minetest.register_node("default:meselamp", {
 	is_ground_content = false,
 	groups = {cracky = 3, oddly_breakable_by_hand = 3},
 	sounds = default.node_sound_glass_defaults(),
-	light_source = 12,
+	light_source = default.LIGHT_MAX,
 })
 
 --