How to fix VS Code remote SSH for NixOS target

When you install VS Code with its remote-SSH plugin, and logs into a shell via SSH. VS Code will install its backend on the remote machine (at ~/.vscode-server) and turns the client into a front-end (after all, it’s just an Electron app).

However, VS Code depends on an much older version of nodejs, and so you need to manually relink the node exectubale to that version. In other words: