fix: don't write temporary remote function bundle to disk

[KTibow]

fixes #14105

configure the Vite that builds remote functions with write: false to prevent the creation of a random dist directory during the process of building remote functions

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🦋 Changeset detected

Latest commit: b2d38c7

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@sveltejs/kit	Patch

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[teemingc]

Thank you! I've added a test too