In iOS 14 availablePreviewPhotoPixelFormatTypes is no longer accessible use __availablePreviewPhotoPixelFormatTypes as a work around

[fraserscottmorrison]

Is this a bug report?

Yes

Have you read the Contributing Guidelines?

No

Environment

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CameraKit Version:

iOS Device:

iOS Version:

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Expected Behavior

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Actual Behavior

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Reproducible Demo

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