This is available with the Contents Pane for the layout view in ArcGIS Pro.
I agree that this should be part of the core product, not an extension. But if you go through a few more pages from the link Chris provided, you find this:
Note: You can also change the draw order of elements by dragging and dropping them to a new location in the window.
Connectez-vous pour publier, suivre le contenu, et plus encore. Nouveau ici ? Inscrivez-vous gratuitement.