Tim Ledbetter a8144a2608 LibWeb: Use null-document task when checking is unloading is canceled ...

Previously, `CheckUnloadingCanceledState::start_phase2()` used
`queue_global_task()` to fire `beforeunload` on each relevant document.
However, tasks associated with a document are only runnable when the
document is fully active and it is possible for the document to become
not fully-active before the task is run. This caused a 15 second delay
in `CheckUnloadingCanceledState` while we waited for a timeout, which
could cause test timeouts when under heavy load.

2026-04-10 00:02:53 +02:00

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