Duplicate dialog, possible race condition?

[cmjdiff]

On some sites, CoM appears to handle a popup, only for another to appear. Not sure if this is some kind of race where it's not delivering a result quickly enough for the following resource, and then not checking again?

Screen recording: https://youtu.be/0MvCi8NiY0A

Example URLs here: https://www.independent.co.uk/arts-entertainment/music/glastonbury/glastonbury-festival-legends-slot-sunday-shania-twain-b2557138.html https://www.radiox.co.uk/festivals/glastonbury/who-played-glastonbury-legends-slot/