It would be great if the improvement would also include the following:

When activating the drop down of one section upon clicking the title, all other sections are set to closed. Once completed, only one menu item would be active/dropped down at a time.

This would create, in my opinion, a less cluttered feel while working in the dashboard.

Yes, and please unbundle reputation features and listing features and clearly move them into the respective apps. Currently some of them seem to be in the wrong app, are duplicate which is sometimes confusing.