Scenario:
A user is working within a notebook in the "workspace" (the UI where all of the currently open notebooks' tabs are displayed and a user performs there GoodNote'ing). The user is curious if they have a notebook somewhere titled "Foo" and wants to see where "Foo" lives, but they do not want to open "Foo."

Current behavior:
When user navigates to the library, they cannot return to their open notebooks until they select a notebook. In this scenario, the user would be forced to open "Foo" only to immediately close it.

Ideal behavior:
User has an intuitive way to navigate back to their "workspace" (open notebooks view) without being forced to select a notebook. This could be a gesture or a > in the top of the documents view that parallels with the < in the "workspace" view.