[YouTube] player `3bb1f723`: nsig extraction failed: Some formats may be missing
### DO NOT REMOVE OR SKIP THE ISSUE TEMPLATE

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### Checklist

- [X] I'm reporting a bug unrelated to a specific site
- [X] I've verified that I have **updated yt-dlp to nightly or master** ([update instructions](https://github.com/yt-dlp/yt-dlp#update-channels))
- [X] I've checked that all provided URLs are playable in a browser with the same IP and same login details
- [X] I've checked that all URLs and arguments with special characters are [properly quoted or escaped](https://github.com/yt-dlp/yt-dlp/wiki/FAQ#video-url-contains-an-ampersand--and-im-getting-some-strange-output-1-2839-or-v-is-not-recognized-as-an-internal-or-external-command)
- [X] I've searched [known issues](https://github.com/yt-dlp/yt-dlp/issues/3766) and the [bugtracker](https://github.com/yt-dlp/yt-dlp/issues?q=) for similar issues **including closed ones**. DO NOT post duplicates
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### Provide a description that is worded well enough to be understood

the function _extract_n_function_name of extractor/youtube.py not working with the playerId `3bb1f723`

### Provide verbose output that clearly demonstrates the problem

- [X] Run **your** yt-dlp command with **-vU** flag added (`yt-dlp -vU <your command line>`)
- [ ] If using API, add `'verbose': True` to `YoutubeDL` params instead
- [X] Copy the WHOLE output (starting with `[debug] Command-line config`) and insert it below

### Complete Verbose Output

```shell
[debug] Command-line config: ['https://www.youtube.com/watch?v=2yJgwwDcgV8', '--extractor-args', 'youtube:player_client=mweb', '--no-config', '-v', '-F', '--cookies', 'cookies28.txt']
[debug] Encodings: locale cp1252, fs utf-8, pref cp1252, out utf-8, error utf-8, screen utf-8
[debug] yt-dlp version master@2024.12.04.231213 from yt-dlp/yt-dlp-master-builds [fca3eb5f8] (win_exe)
[debug] Python 3.10.11 (CPython AMD64 64bit) - Windows-10-10.0.22631-SP0 (OpenSSL 1.1.1t  7 Feb 2023)
[debug] exe versions: ffmpeg 7.1-full_build-www.gyan.dev (setts), ffprobe 7.1-full_build-www.gyan.dev, phantomjs 2.5.0, rtmpdump 2.4
[debug] Optional libraries: Cryptodome-3.21.0, brotli-1.1.0, certifi-2024.08.30, curl_cffi-0.5.10, mutagen-1.47.0, requests-2.32.3, sqlite3-3.40.1, urllib3-2.2.3, websockets-14.1
[debug] Proxy map: {}
[debug] Request Handlers: urllib, requests, websockets, curl_cffi
[debug] Loaded 1837 extractors
[youtube] Extracting URL: https://www.youtube.com/watch?v=2yJgwwDcgV8
[youtube] 2yJgwwDcgV8: Downloading webpage
[youtube] 2yJgwwDcgV8: Downloading mweb player API JSON
[youtube] 2yJgwwDcgV8: Downloading player 3bb1f723
WARNING: [youtube] Falling back to generic n function search
         player = https://www.youtube.com/s/player/3bb1f723/player_ias.vflset/en_US/base.js
WARNING: [youtube] 2yJgwwDcgV8: nsig extraction failed: Some formats may be missing
         n = biFW29aV5aoB3znbkq ; player = https://www.youtube.com/s/player/3bb1f723/player_ias.vflset/en_US/base.js
[debug] [youtube] Unable to extract nsig function code (caused by RegexNotFoundError('Unable to extract \x1b[0;94mInitial JS player n function name\x1b[0m; please report this issue on  https://github.com/yt-dlp/yt-dlp/issues?q= , filling out the appropriate issue template. Confirm you are on the latest version using  yt-dlp -U')); please report this issue on  https://github.com/yt-dlp/yt-dlp/issues?q= , filling out the appropriate issue template. Confirm you are on the latest version using  yt-dlp -U
WARNING: [youtube] Falling back to generic n function search
         player = https://www.youtube.com/s/player/3bb1f723/player_ias.vflset/en_US/base.js
WARNING: [youtube] 2yJgwwDcgV8: nsig extraction failed: Some formats may be missing
         n = g_F_AdRs3sNRjsOIzh ; player = https://www.youtube.com/s/player/3bb1f723/player_ias.vflset/en_US/base.js
WARNING: Only images are available for download. use --list-formats to see them
[debug] Sort order given by extractor: quality, res, fps, hdr:12, source, vcodec, channels, acodec, lang, proto
[debug] Formats sorted by: hasvid, ie_pref, quality, res, fps, hdr:12(7), source, vcodec, channels, acodec, lang, proto, size, br, asr, vext, aext, hasaud, id
[info] Available formats for 2yJgwwDcgV8:
ID  EXT   RESOLUTION FPS │ PROTO │ VCODEC MORE INFO
────────────────────────────────────────────────────
sb2 mhtml 48x27        0 │ mhtml │ images storyboard
sb1 mhtml 67x45        1 │ mhtml │ images storyboard
sb0 mhtml 135x90       1 │ mhtml │ images storyboard
```