Pin items in modeler

On a project that has been going for a while, it's easy to get lost in the modeler. You click through microflows, submicroflows, domain models, mappings, etc.. Quickly there will be so many items in the dropdown menu and top navigation bar that you'll be completely lost.

It would be helpful if we can ‘pin’ items in the modeler. This way after we've found a couple of items we were looking for and pinned them, they will show on top of the dropdown list. Also functionality to close everything besides the pinned items would be helpful.

Demonstration of paint “skills”: