Use itemstack name when placing doors (#2888)

mods/doors/init.lua

@@ -264,6 +264,7 @@ function doors.register(name, def)
 				return itemstack
 			end
 
+			local doorname = itemstack:get_name()
 			local node = minetest.get_node(pointed_thing.under)
 			local pdef = minetest.registered_nodes[node.name]
 			if pdef and pdef.on_rightclick and
@@ -315,10 +316,10 @@ function doors.register(name, def)
 			local state = 0
 			if minetest.get_item_group(minetest.get_node(aside).name, "door") == 1 then
 				state = state + 2
-				minetest.set_node(pos, {name = name .. "_b", param2 = dir})
+				minetest.set_node(pos, {name = doorname .. "_b", param2 = dir})
 				minetest.set_node(above, {name = "doors:hidden", param2 = (dir + 3) % 4})
 			else
-				minetest.set_node(pos, {name = name .. "_a", param2 = dir})
+				minetest.set_node(pos, {name = doorname .. "_a", param2 = dir})
 				minetest.set_node(above, {name = "doors:hidden", param2 = dir})
 			end