Describe the bug
Videos dont Go into fullscreen.
They Link to the YouTube Video doesnt work

To Reproduce
Steps to reproduce the behavior:

1. Go to a Tutorial and Start the video
2. Click on the fullscreen button
3. Nothing happens

Expected behavior
I expected the video to Go in fullscreen or direct me to the video in YouTube

Smartphone (please complete the following information):

• Device: Pixel 8
• OS: Android 15
• Browser Firefox