D7870: Don't crash if a client (legally) uses a deleted global

[Martin Flöser]

graesslin accepted this revision.
graesslin added a comment.
This revision is now accepted and ready to land.


  What surprises me is that BlurManager recreates for Output changes. That sounds like a bug in KWin (or an area which could be improved).

REPOSITORY
  R127 KWayland

BRANCH
  globalref

REVISION DETAIL
  https://phabricator.kde.org/D7870

To: davidedmundson, #plasma, graesslin
Cc: graesslin, anthonyfieroni, plasma-devel, #frameworks, ZrenBot, progwolff, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart
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