Use the default loader as the cascaded loader in the loader worker.
Otherwise we spawn loader workers in the loader workers indefinitely.
PR-URL: https://github.com/nodejs/node/pull/47620
Fixes: https://github.com/nodejs/node/issues/47566
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Jacob Smith <jacob@frende.me>
Reviewed-By: Geoffrey Booth <webadmin@geoffreybooth.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
