Take NODE_PATH into account when resolving modules

[philipp-spiess]

Fixes #15847

This PR changes the node specific resolver config to takes the eventual NODE_PATH env into account.

Test plan

See #15847

[RobinMalfait]

Sweet! Can you add a changelog entry?

[philipp-spiess]

Can you add a changelog entry?

Yes sir this is indeed part of my set of abilities.

[SteffenDE]

It looks like this does not work in the standalone CLI, is that expected?

$ NODE_PATH=_build/dev/ npx @tailwindcss/cli --cwd assets/ --config tailwind.config.js -i css/app.css --output ../priv/static/assets/app.css ≈ tailwindcss v4.1.7 Done in 32ms 

vs

$ NODE_PATH=_build/dev/ ~/Downloads/tailwindcss-macos-arm64 --cwd assets/ --config tailwind.config.js -i css/app.css --output ../priv/static/assets/app.css ≈ tailwindcss v4.1.7 Error: Can't resolve 'colocated_svgs/index.css' in '/Users/steffen/oss/colocated_demo/assets/css'