Some menus/tools can be closed by simply clicking on the button :
- Table of Contents
- Basemap and Terrain
- etc.
But some other menus/tools cannot :
Draw and Notifications are special cases. They can be closed with the button, but there is a really small sweet spot where you have to click to succeed :

It would be nice if every menu/tool could be closed easily by clicking on the button again.
Thank you !