According to archwiki

These configuration files only work for the Electron packages in the official repositories and packages that use them. They do not work for packages that bundle their own build of Electron

However, you can pass the options using .desktop files, but you will need to do it per application.

According to Arch-Wiki

These configuration files only work for the Electron packages in the official repositories and packages that use them. They do not work for packages that bundle their own build of Electron.

However, you can pass the options using .desktop files, but you will need to do it per application.