Valve is seeing an increasing number of bug reports for issues caused by Canonical's repackaging of the Steam client through snap.
The best way to install Steam on Debian and derivative operating systems is to follow the instructions at https://github.com/ValveSoftware/steam-for-linux/#getting-started and use the official .deb
We are not involved with the snap repackaging. It has a lot of issues.
If you don't want the .deb, please at least consider the flatpak version.
@TTimo Is the Flatpak version considered to work fine or on par with the .deb version?