D23619: [server] Introduce cloning and replication of output devices

[Roman Gilg]

romangg added a task: T11222: Reimagine output cloning.

REPOSITORY
  R127 KWayland

REVISION DETAIL
  https://phabricator.kde.org/D23619

To: romangg, #kwin
Cc: kde-frameworks-devel, LeGast00n, GB_2, michaelh, ngraham, bruns