A fix was made by upstream at https://github.com/flatpak/xdg-desktop- portal/pull/1007 and I could verify a local rebuild of 22.04 package with this applied does fix it, including for Firefox Snap.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xdg-desktop-portal in Ubuntu. https://bugs.launchpad.net/bugs/2020655 Title: XDG Desktop Portal should show "nice" user path Status in firefox snap: Unknown Status in xdg-desktop-portal: Unknown Status in xdg-desktop-portal package in Ubuntu: New Bug description: Users hould not see "/run/xxx" but rather e.g., "/tmp/" To manage notifications about this bug go to: https://bugs.launchpad.net/firefox-snap/+bug/2020655/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

