video: improve screen extended device type
video: improve screen extended device type

The screen as the device type now takes the x and y positon
of the screen space that the user wants to share into account

Refs #69013

savoirfairelinux/ring-lrc,KDE/libringclient,KDE/libringclient,savoirfairelinux/ring-lrc,KDE/libringclient,savoirfairelinux/ring-lrc,savoirfairelinux/ring-lrc,savoirfairelinux/ring-lrc