[twitter] improve extraction

- add support for generic embeds(closes #22168)
- always extract http formats for native videos(closes #14934)
- add support for Twitter Broadcasts(closes #21369)
- extract more metadata
- improve VMap format extraction
- unify extraction code for both twitter statuses and cards

youtube_dl/extractor/extractors.py

@@ -1241,6 +1241,7 @@ from .twitter import (
     TwitterCardIE,
     TwitterIE,
     TwitterAmplifyIE,
+    TwitterBroadcastIE,
 )
 from .udemy import (
     UdemyIE,