Z on Android. Shared content in landscape mode has a shaded bar across top of screen

Frequently turn phone landscape in order to see PowerPoint slides being shared.  However, when doing so, there is a shaded translucent "bar" across the top of the screen.  It has a left carat on one side and the speaker icon and in the middle is the Zoom pull down to see Meeting info and finally the Leave button. This blocks a clear view of the shared content.  How is this suppossed to work?