[fix] prerendering path and layout fixes

[dummdidumm]

Fixes #7618 - root layout/error should always be included
Fixes #7633 - windows path conversion

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[changeset-bot]

🦋 Changeset detected

Latest commit: 9bf170a

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

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@sveltejs/kit	Patch

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[Tal500]

Thanks!