Seal GUI format selection bug.

[bibsp]

Checklist

• [ ] I'm reporting a bug unrelated to a specific site.
• [X] I've verified that I'm running the latest version of yt-dlp.
• [X] I've verified that I'm running the latest stable version of Seal or any later preview versions.
• [X] I've read the Contributing guidelines and Code Of Conduct.
• [X] I've checked that the site i'm trying to download from is in the Supported Sites list from yt-dlp
• [X] I understand that the issue will be (ignored/closed) if I intentionally remove or skip any mandatory field.

Describe the bug

No response

To Reproduce

No response

Error reports

#1666

Screenshots & Screen Records

No response

Additional context

No response