Issue: Videos may be blank

[Ephellon]

Describe the bug

Saved videos may only contain audio tracks.

To Reproduce

1. Navigate to a stream
2. Press Alt+Z to start a recording...
3. Wait a few seconds...
4. Save the video...
5. Open the video, which is just a black screen (with audio)

Expected behavior

Save the video as-is, with visuals.

Screenshots

Extension Information

• Version: 5.28
• Source: store GitHub
• Browser: chrome brave
• Operating System: Windows

Additional comments

Audio tracks are unaffected