flatpak firefox can't open file chooser
on bazzite kde, flatpak firefox can't open filechooser
(LibreWolf:2): Gtk-WARNING **: 09:55:16.698: Can't open portal file chooser: GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: No such interface “org.freedesktop.portal.FileChooser” on object at path /org/freedesktop/portal/desktop
xdg-desktop-portal-gtk