text: Title: WidgetControl: display other widgets on the same map
  Body: See https://github.com/jupyter-widgets/ipyleaflet/blob/1a8e57375ee79ee08a76049ca33a61211b827b83/python/jupyter_leaflet/src/controls/WidgetControl.ts#L10
  
  ![](https://miro.medium.com/v2/resize:fit:1400/format:webp/1*0SvmdK7ykkDXZ4oU-x6QzA.gif)