message: Null check for maxHeight in call view
diff: @@ -518,7 +518,7 @@ export default class CallView extends React.Component<IProps, IState> {
  }
  // if we're fullscreen, we don't want to set a maxHeight on the video element.
  - const maxVideoHeight = getFullScreenElement() ? null : (
  + const maxVideoHeight = getFullScreenElement() || !this.props.maxVideoHeight ? null : (
  this.props.maxVideoHeight - (HEADER_HEIGHT + BOTTOM_PADDING + BOTTOM_MARGIN_TOP_BOTTOM)
  );
  contentView = <div className={containerClasses}
  