D18522: Name Wayland socket automatically when no socket name was specified

romangg created this revision.
romangg added reviewers: KWin, fvogt.
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REVISION SUMMARY
  Wayland provides functionality for servers to acquire an unused socket name
  automatically. Do this through the recently added functionality in KWayland
  in case no socket name was specified as an argument to KWin.

TEST PLAN
  Manually, autotests pass.

REPOSITORY
  R108 KWin

BRANCH
  automaticSocketNaming

REVISION DETAIL
  https://phabricator.kde.org/D18522

AFFECTED FILES
  wayland_server.cpp

To: romangg, #kwin, fvogt
Cc: kwin, jraleigh, GB_2, mkulinski, ragreen, jackyalcine, Pitel, iodelay, bwowk, ZrenBot, ngraham, lesliezhai, ali-mohamed, hardening, jensreuterberg, abetts, sebas, apol, mart