fix: fs serve only edit pathname (fixes #9148)

[sapphi-red]

Description

This PR backports #9173 to v2.

Additional context

---

What is the purpose of this pull request?

• Bug fix
• New Feature
• Documentation update
• Other

Before submitting the PR, please make sure you do the following

• Read the Contributing Guidelines.
• Read the Pull Request Guidelines and follow the Commit Convention.
• Check that there isn't already a PR that solves the problem the same way to avoid creating a duplicate.
• Provide a description in this PR that addresses what the PR is solving, or reference the issue that it solves (e.g. fixes #123).
• Ideally, include relevant tests that fail without this PR but pass with it.

[netlify]

✅ Deploy Preview for vite-docs-v2 ready!

Name	Link
🔨 Latest commit	b62e471
🔍 Latest deploy log	https://app.netlify.com/sites/vite-docs-v2/deploys/62f646c7418102000769955b
😎 Deploy Preview	https://deploy-preview-9654--vite-docs-v2.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site settings.