added some missing aliases

nodes.lua

@@ -280,6 +280,8 @@ minetest.register_alias("xdecor:prison_rust_door_t_1", "air")
 minetest.register_alias("xdecor:prison_rust_door_t_2", "air")
 minetest.register_alias("xdecor:prison_rust_door_b_1", "doors:rusty_prison_door_a")
 minetest.register_alias("xdecor:prison_rust_door_b_2", "doors:rusty_prison_door_b")
+minetest.register_alias("xdecor:prison_door_a", "doors:prison_door_a")
+minetest.register_alias("xdecor:prison_door_b", "doors:prison_door_b")
 
 xdecor.register("enderchest", {
 	description = "Ender Chest",