DuckPlayer: Fix YouTube shorts issue

[afterxleep]

Task/Issue URL: https://app.asana.com/0/1204099484721401/1208399924957022/f

Description:

• Fixes an issue in where Youtube Shorts UI would break if DuckPlayer is enabled

Steps to test this PR:

1. Make yourself an internal user
2. Add custom config https://www.jsonblob.com/api/1285150467314016256
3. Set DuckPlayer to 'always ask'
4. Go to Youtube.com and search for "Metallica Shorts" or directly to: https://m.youtube.com/results?sp=mAEA&search_query=Metallica+shorts
5. Tap and watch a few "Shorts"; use the back button to return.
6. Watch a "Regular" video from the list below and confirm it launches in DuckPlayer

[Bunn]