plugins/screencast: Neutralize stopped streams
Streams are deleted with QObject::deleteLater(), it's still possible to process some events before the stream is actually destroyed, which can cause problems.
(cherry picked from commit 8428b460)
Streams are deleted with QObject::deleteLater(), it's still possible to process some events before the stream is actually destroyed, which can cause problems.
(cherry picked from commit 8428b460)