Paul Addy

- Themes NSCollectionLayoutSection's `interGroupSpacing` property. - Necessary for [this DLS Components-iOS MR](https://gitlab.redairship.tech/ocbc-frank/ocbc-components-ios/-/merge_requests/120).

LKSampleHandler is only available on iOS, not on visionOS

7

**Is your feature request related to a problem? Please describe.** Yes, we are trying to use LiveKit in a visionOS app as we would for a standard basic iOS liveKit...