Embedding thumbnail into video (without having to use "Custom Commands"

[JohnRileyYale]

Checklist

• This feature I'm requesting is already implemented in yt-dlp.
• This feature is merely a UI/UX update.
• This feature is suitable for primary users with little knowledge about yt-dlp.
• This feature is available for most websites, not only the video platform I use.
• This feature is suitable for a large variety of videos.
• This feature is not going to conflict with many of the existing options.

Is your feature request related to a problem? Please describe.

Inorder to embed thumbnails into video files, the current solution is to use custom commands and --embed-thumbnail. There is no toggleable feature to embed thumbnails into video files as there is for audio files.

Describe the solution you'd like

Option in main settings to enable the --embed-thumbnail (for videos) feature without having to make use of a custom command.

Video link

No response

Additional context

No response