Hybrid feed mode

[natewind]

Checklist

• I made sure that there are no existing issues - open or closed - which I could contribute my information to.
• I have read the FAQ and my problem isn't listed.
• I'm aware that this is a request for NewPipe itself and that requests for adding a new service need to be made at NewPipeExtractor.
• I have taken the time to fill in all the required details. I understand that the feature request will be dismissed otherwise.
• This issue contains only one feature request.
• I have read and understood the contribution guidelines.
• I have read and understood the AI policy. The content of this request is not generated by AI.

Feature description

A hybrid feed loading mode that does the same as both fast and regular modes and merges the results.

Why do you want this feature?

#12312 isn’t implemented yet, but fast mode does include shorts, so maybe this could be a temporary solution?

Additional information

No response