Amazingly I found a workaround/fix in another posts from wadem on the 12th of September: Redrix (HP Elite Dragonfly Chromebook) — Fedora 43 Issues, Findings & Requests for Guidance - #10 by wadem
The solution, for now, is to shutdown (not restart) and then it comes back. In the post he says it fails after extended period of power off, but for me it might have been suspend (can’t recall when the issue arose so could also be power off). Anyway, shutting down and rebooting manually is a solution I can live.
Edit: added link to the exact post in question and not just the whole thread.