Repository: yt-dlp
Issue: [un.org] downloads fail with KeyError: 'dataUrl' in generic extractor
Labels: site-bug,patch-available

### Checklist

- [X] I'm reporting a broken site
- [X] I've verified that I'm running yt-dlp version **2022.04.08** ([update instructions](https://github.com/yt-dlp/yt-dlp#update)) or later (specify commit)
- [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](https://github.com/ytdl-org/youtube-dl#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 the [bugtracker](https://github.com/yt-dlp/yt-dlp/issues?q=) for similar issues including closed ones. DO NOT post duplicates
- [X] I've read the [guidelines for opening an issue](https://github.com/yt-dlp/yt-dlp/blob/master/CONTRIBUTING.md#opening-an-issue)
- [X] I've read about [sharing account credentials](https://github.com/yt-dlp/yt-dlp/blob/master/CONTRIBUTING.md#are-you-willing-to-share-account-details-if-needed) and I'm willing to share it if required

### Region

anywhere

### Description

test link: 
https://media.un.org/en/asset/k1x/k1xv5w9gxt

Another test link I tried is:
https://news.un.org/zh/story/2022/05/1102562
It seems to be not supported at all.

### Verbose log

```shell
./yt-dlp -v "https://media.un.org/en/asset/k1x/k1xv5w9gxt"
[debug] Command-line config: ['-v', 'https://media.un.org/en/asset/k1x/k1xv5w9gxt']
[debug] Encodings: locale UTF-8, fs utf-8, out utf-8, err utf-8, pref UTF-8
[debug] yt-dlp version 2022.04.08 [7884ade65] (zip)
[debug] Plugins: ['SamplePluginIE', 'SamplePluginPP']
[debug] Python version 3.9.12 (CPython 64bit) - macOS-11.6.5-arm64-arm-64bit
[debug] Checking exe version: ffprobe -bsfs
[debug] Checking exe version: avprobe -bsfs
[debug] Checking exe version: ffmpeg -bsfs
[debug] Checking exe version: avconv -bsfs
[debug] exe versions: none
[debug] Optional libraries: sqlite3-2.6.0
[debug] Proxy map: {}
[debug] [generic] Extracting URL: https://media.un.org/en/asset/k1x/k1xv5w9gxt
[generic] k1xv5w9gxt: Requesting header
WARNING: [generic] Falling back on generic information extractor.
[generic] k1xv5w9gxt: Downloading webpage
[generic] k1xv5w9gxt: Extracting information
[debug] Looking for video embeds
[download] Downloading playlist: Conflict and Hunger - United Nations Security Council Arria-Formula meeting
[generic] playlist Conflict and Hunger - United Nations Security Council Arria-Formula meeting: Downloading 1 videos
[download] Downloading video 1 of 1
[debug] [Kaltura] Extracting URL: kaltura:2503451:1_xv5w9gxt#__youtubedl_smuggle=%7B%22source_url%22%3A+%22https%3A%2F%2Fmedia.un.org%2Fen%2Fasset%2Fk1x%2Fk1xv5w9gxt%22%7D
[Kaltura] 1_xv5w9gxt: Downloading video info JSON
ERROR: 1_xv5w9gxt: An extractor error has occurred. (caused by KeyError('dataUrl')); 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
  File "/yt-dlp/./yt-dlp/yt_dlp/extractor/common.py", line 635, in extract
    ie_result = self._real_extract(url)
  File "/yt-dlp/./yt-dlp/yt_dlp/extractor/kaltura.py", line 296, in _real_extract
    data_url = info['dataUrl']
KeyError: 'dataUrl'

[download] Finished downloading playlist: Conflict and Hunger - United Nations Security Council Arria-Formula meeting
```