
Prevents possible item duplication with other mods. Matches the behavior of the default `__builtin:item`. See also https://github.com/mt-mods/pipeworks/issues/130 Reviewed-on: https://git.minetest.land/VoxeLibre/VoxeLibre/pulls/4530 Reviewed-by: the-real-herowl <the-real-herowl@noreply.git.minetest.land> Co-authored-by: OgelGames <ogelgames@noreply.git.minetest.land> Co-committed-by: OgelGames <ogelgames@noreply.git.minetest.land>