'.' and '..' do not resolve when starting code-server

[scsmithr]

The working directory when starting code-server with '.' or '..' ends up being '/'.

• code-server version: 1.31.0
• OS Version: Arch Linux

Steps to Reproduce

1. Start code-server with code-server . or code-server ..
2. Open in browser, see working directory is /

[sr229]

Workaround is use $(pwd) for .