Switching between cameras using FaceTime

Hello, has anyone had an issue using iOS 13 with switching the cameras using FaceTime on iOS? Are used to just be able to tap on the video, either my video or the person I was speaking to use video, and find a flipped back camera, now, it seems to disappear before I get to it? Has any of you found a way to work around and get to the back camera quickly? It's almost like the screen only stays up for a short amount of time. Any help would be greatly appreciated thanks

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