ratbagd: change the remote property value when writing a property
ratbagd: change the remote property value when writing a property

set_cached_property merely updates the proxy's own copy, it doesn't do
anything to the remote. Manually call the DBus.Properties.Set interface
to do that.

Signed-off-by: Peter Hutterer <b9c50af7afa7642f6f854434cda9ffe54ece8b85@who-t.net>

libratbag/libratbag,whot/libratbag,libratbag/libratbag,libratbag/libratbag,whot/libratbag,whot/libratbag