Apple is continuing its rapid pace of rolling out iOS 12 updates, releasing the first beta of iOS 12.1.1 and tvOS 12.1.1 only a day after the public 12.1 release of both versions. While the release notes are typically vague, the update does appear to bring the camera-flip button back to the main FaceTime screen, marking its return from the secondary screen where iOS 12 had buried it, and includes a number of other small fixes and improvements. No…