xdp-gnome restores by a combination of model + make + serial. We
currently can't set those reliably (until libdisplay-info most monitors
will have them unknown) so pass the connector name instead. This will
work as expected in most cases.
DmaBuf monitor screencasting through xdg-dekstop-portal-gnome!
Somewhat limited currently, e.g. the cursor is always embedded. But gets
most of the job done.
Ivan Molodetskikh