Description

In #14627, Prettier was redesigned to ‘no longer follow symbolic links’. However, the implementation went further and turned into a breaking change. Rather than adhering to the exit status contract of only returning a non-zero exit status when a file is not formatted or when something is wrong with Prettier itself, #14627 made Prettier return a non-zero exit status upon any pattern turning out to be a pointing to symlink.

This PR fixes the original PR by @andersk to behave in line with its documentation.

Checklist

• I’ve added tests to confirm my change works.
• (If changing the API or CLI) I’ve documented the changes I’ve made (in the docs/ directory).
• (If the change is user-facing) I’ve added my changes to changelog_unreleased/*/XXXX.md file following changelog_unreleased/TEMPLATE.md.
• I’ve read the contributing guidelines.

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