Ability to "Show Mapped" Features in Product Mapper on top of UI

Sharing this idea/request on behalf of a customer:

As a user, I would like the ability to be able to see what is mapped on a particular page in my product when I am in the context of my product. For comparison, something similar is available when creating a Guide engagement. 

This would help improve the Product Mapping experience so that I can visually see what has been mapped, rather than referring to a list in the product tree.

This would be very helpful for determine what’s already mapped!