Prevent lint hook from running on all files

[IanVS]

Closes #17661

What I did

7b03831 caused eslint to run against all files during the husky hook.

This PR adds a new lint:js:cmd script which is the same as the lint:js from before the commit above, which means it does not specify a target and can therefore be used in the pre-commit hook. This also allows us to follow the "principle of least surprise" in that yarn lint:js will run against all files.

I was concerned initially that running eslint against a different target, using the same cache location, would invalidate/evict the entire cache. Turns out it doesn't, and that it only evicts the individual files being linted (and then, only because --fix is being used).

[nx-cloud]

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✅ Successfully ran 1 target

• nx run-many --target=prepare --all --parallel --max-parallel=15 -- --optimized

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[ndelangen]

Thank you @IanVS