xfce-desktop does not launch in Firefox

[russelleason]

Granted permissions for audio and video on the site after launching from the App Launcher. This is on CentOS Linux release 8.3.2011 and Firefox version 78.6.0esr.

[xhejtman]

This is know bug that remote offer comes with h264 while firefox responds with vp8. Gstreamer does not like this.