screenshot: Export showScreen*UI() functions
showScreenshotUI() is needed by the system action, and showScreenRecordingUI() is conceptually so similar that it would be odd to export one and not the other.
Fixes #6885 (closed)
showScreenshotUI() is needed by the system action, and showScreenRecordingUI() is conceptually so similar that it would be odd to export one and not the other.
Fixes #6885 (closed)