Offline search subscribers channels names

[ghost]

Checklist

• I checked, but didn't find any duplicates (open OR closed) of this issue in the repo.
• I have read the contribution guidelines given at https://github.com/TeamNewPipe/NewPipe/blob/HEAD/.github/CONTRIBUTING.md.
• This issue contains only one feature request. I will open one issue for every feature I want to request.

Describe the feature you want

Pls provide an option for offline search subcriptions channel names. It helps to show subcription channel without internet, if i click the channel then connect to internet.

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

No

Additional context

No

How will you/everyone benefit from this feature?

Yes

[triallax]

Duplicate of #4795. Also, please follow the template properly when you open an issue. Thanks!