Youtube videos don't stop after category change in Talks page

[lukmarcus]

When you play Youtube video and change the category so this video is invisible, it still plays is the background but you can't find the source on current page.

Steps

1. Open page https://krzysztofszumny.com/talks
2. Play first video from list How to use and store your Bitcoins in a secure way
3. Change category into Git or Docker

Expected effect: After changing category video should stop playing

Actual effect: Video is still playing in he background

Video (with sound)

Krzysztof-s-Portfolio.3.webm

Desktop
Ubuntu 20.04.4 LTS Chrome 110.0.5481.100