fix preview overscroll

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🦋 Changeset detected

Latest commit: 5c602c2451ca8f14f6eccb055ec3671ecacd42ce

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

This PR includes changesets to release 8 packages

| Name | Type | | ------------------- | ----- | | @showroomjs/bundles | Patch | | @showroomjs/core | Patch | | react-showroom | Patch | | @showroomjs/ui | Patch | | client-only-example | Patch | | react-example | Patch | | subpath-example | Patch | | react-showroom-docs | Patch |

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