Get discourse-topic-thumbnails working with discourse-video-plugin

Hi everyone,
I want to have thumbnails for all posts with video.
With official discourse-topic-thumbnails

But it doesn’t work for discourse-video-plugin videos.

Mux supports thumbnails using next approach for uploaded videos:

In short -

https://image.mux.com/{PLAYBACK_ID}/thumbnail.{png|jpg|webp}

And we have playback_id from video-plugin

But when I add such link to the image (both manually or through JS) - it doen’t generate thumbnail as well.

What can be the way to solve this? Should it be a fix for discourse-video-plugin or in
discourse-topic-thumbnails

There was a proposition to instead create a plugin for Mux player - but I will not have enough time to support it later…

Thank you!

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