fix(core): use relative paths for socket path

[lewsmith]

Convert FULL_OS_SOCKET_PATH to relative on non-windows platforms.

Current Behavior

Nx postinstall script hangs when workspace path is long

Expected Behavior

Nx postinstall script to complete successfully

Related Issue(s)

Fixes #10895

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Name	Status	Preview	Comments	Updated
nx-dev	✅ Ready (Inspect)	Visit Preview	💬 Add your feedback	Mar 16, 2023 at 10:00PM (UTC)

[AgentEnder]

I'm admin merging this - Circle has a green check, just not reporting to github for some reason 🤷

[github-actions[bot]]

This pull request has already been merged/closed. If you experience issues related to these changes, please open a new issue referencing this pull request.