message: Fix in-call context menus when in PiP mode
  Mounting them as children when in PiP mode doesn't work. Condition mounting
  the context menus as children of the current component based on whether PiP
  mode is active.
diff: @@ -554,7 +554,11 @@ export default class CallView extends React.Component<IProps, IState> {
  ChevronFace.None,
  CONTEXT_MENU_VPADDING,
  )}
  - mountAsChild={true}
  + // We mount the context menus as a as a child typically in order to include the
  + // context menus when fullscreening the call content.
  + // However, this does not work as well when the call is embedded in a
  + // picture-in-picture frame. Thus, only mount as child when we are *not* in PiP.
  + mountAsChild={!this.props.pipMode}
  onFinished={this.closeDialpad}
  call={this.props.call}
  />;
  @@ -568,7 +572,7 @@ export default class CallView extends React.Component<IProps, IState> {
  ChevronFace.None,
  CONTEXT_MENU_VPADDING,
  )}
  - mountAsChild={true}
  + mountAsChild={!this.props.pipMode}
  onFinished={this.closeContextMenu}
  call={this.props.call}
  />;
  