Visual Studio Code on Linux documentation mistake

[RoachLin]

Does this issue occur when all extensions are disabled?: Yes

• VS Code Version: 1.91.0
• OS Version: Ubuntu 20.04

Steps to Reproduce:

1. In this section, if install vscode via snap, the code should be sudo update-alternatives --set editor /snap/bin/code just replace usr to snap

### Tasks

[rzhao271]

This sounds like a feature request to add a note for Snap users. Transferring.