D6572: [kstyle] Change ownership of Wayland objects so that KWin can delete them

[Martin Flöser]

graesslin added a reviewer: hpereiradacosta.

REPOSITORY
  R31 Breeze

REVISION DETAIL
  https://phabricator.kde.org/D6572

To: graesslin, #kwin, #plasma, hpereiradacosta
Cc: plasma-devel, ZrenBot, progwolff, lesliezhai, ali-mohamed, jensreuterberg, 
abetts, sebas, apol, mart, lukas