Repository: youtube-dl
Issue: [LinkedIn] ERROR: An extractor error has occurred.
Labels: broken-IE,patch-available

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## Checklist

<!--
Carefully read and work through this check list in order to prevent the most common mistakes and misuse of youtube-dl:
- First of, make sure you are using the latest version of youtube-dl. Run `youtube-dl --version` and ensure your version is 2021.12.17. If it's not, see https://yt-dl.org/update on how to update. Issues with outdated version will be REJECTED.
- Make sure that all provided video/audio/playlist URLs (if any) are alive and playable in a browser.
- Make sure that all URLs and arguments with special characters are properly quoted or escaped as explained in http://yt-dl.org/escape.
- Search the bugtracker for similar issues: http://yt-dl.org/search-issues. DO NOT post duplicates.
- Read bugs section in FAQ: http://yt-dl.org/reporting
- Finally, put x into all relevant boxes (like this [x])
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- [ X] I'm reporting a broken site support issue
- [ X] I've verified that I'm running youtube-dl version **2021.12.17**
- [ X] I've checked that all provided URLs are alive and playable in a browser
- [ X] I've checked that all URLs and arguments with special characters are properly quoted or escaped
- [X ] I've searched the bugtracker for similar bug reports including closed ones
- [X ] I've read bugs section in FAQ


## Verbose log

<!--
Provide the complete verbose output of youtube-dl that clearly demonstrates the problem.
Add the `-v` flag to your command line you run youtube-dl with (`youtube-dl -v <your command line>`), copy the WHOLE output and insert it below. It should look similar to this:
 [debug] System config: []
 [debug] User config: []
 [debug] Command-line args: [u'-v', u'http://www.youtube.com/watch?v=BaW_jenozKcj']
 [debug] Encodings: locale cp1251, fs mbcs, out cp866, pref cp1251
 [debug] youtube-dl version 2021.12.17
 [debug] Python version 2.7.11 - Windows-2003Server-5.2.3790-SP2
 [debug] exe versions: ffmpeg N-75573-g1d0487f, ffprobe N-75573-g1d0487f, rtmpdump 2.4
 [debug] Proxy map: {}
 <more lines>
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```
youtube site : = https://www.linkedin.com/learning/einfuhrung-in-die-softwarearchitektur-1-grundlagen-begriffe-und-ausgewahlte-tools/was-ist-softwarearchitektur?autoSkip=true&autoplay=true&resume=false&u=xxxxxxxx
ERROR: An extractor error has occurred. (caused by KeyError(u'JSESSIONID',)); please report this issue on https://yt-dl.org/bug . 
Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. 
Be sure to call youtube-dl with the --verbose flag and include its complete output.
```


## Description

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