Aliaksandr Kalenik b49c243abd LibWeb: Fix stale image request callbacks corrupting newer requests ...

When img.src is changed rapidly (e.g., YouTube Music sets a GIF
placeholder then swaps to a real URL via IntersectionObserver), the
failure callback from the stale first request could corrupt the newer
request by calling abort_the_image_request on the now-reassigned
m_current_request.

Fix this by using the existing m_update_the_image_data_count generation
counter to detect stale fetch callbacks.

This fixes thumbnail loading on YouTube Music.

2026-03-03 14:12:06 +01:00

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