In the `QueuedVideoOutput` constructor, a nil check is missing for `m_videoOutput`, causing the GPU process to crash.
Pull request: https://github.com/WebKit/WebKit/pull/533
rdar://89202185
rdar://92676179
Committed r293877 (250335@main): <https://commits.webkit.org/250335@main> Reviewed commits have been landed. Closing PR #533 and removing active labels.