Unable to preview EPUB files

[pcenov]

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Observed behavior

See the video, valid both on Hotfixes and production:

epub.preview.mp4

Channel: https://hotfixes.studio.learningequality.org/en/channels/7023d374ecc7408eba282621cbb3972b/#/211c2408835042edb2fc5282d32e46ee

Expected behavior

It should be possible to preview an epub file.

Steps to reproduce the issue

1. Sign in to Studio
2. Create a new channel and upload a valid epub file
3. Attempt to preview the epub file

Usage Details

• OS: Windows 11
• Browser: Chrome, Firefox
• URL: https:/hotfixes.studio.learningequality.org/en/

[pcenov]

@radinamatic

[sentry]

Sentry Issue: STUDIO-HJY

[rtibbles]

I suspect the sentry issue above is related ^

[akolson]

Closed by #5491