Under some circumstances, when playback stops due to stalling the progress bar continues to move.
rdar://81123838
Created attachment 438027 [details] Patch
Committed r282374 (241636@main): <https://commits.webkit.org/241636@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 438027 [details].
Re-opened since this is blocked by bug 235587
*** Bug 248585 has been marked as a duplicate of this bug. ***
This can be reproduced with playing: https://mediaserver.avenard.org/test/89041245.py?name=foo&stallOffset=100000&stallDuration=600&chunkSize=1024 press play and notice that currentTime progress even though playback doesn't start.