Screen sharing on Linux desktop doesn't work

[java-py-c-cpp-js]

I'm using Manjaro with Riot Desktop 1.3.3-1.
If I shift-click at a video call button, I get the following error message:

Failed to get screen-sharing stream: NotReadableError: Could not start video source

[turt2live]

Duplicate of https://github.com/vector-im/riot-web/issues/4880