There's another (better) workaround for the Unity graphical glitches with NVIDIA on Linux
Recently, I wrote a post about Unity games when playing on NVIDIA having some major graphical glitches with a workaround. Here's another one, that might work better.
How to setup OpenMW for modern Morrowind on Linux / SteamOS and Steam Deck
How to install Hollow Knight: Silksong mods on Linux, SteamOS and Steam Deck