I don't know if there's a ticket for this already in the RBAC epic, but I wanted to make sure we don't forget to guard the Admin menu, its links, and the pages it links to appropriately once we have RBAC in place.

I'm leaving details unfinished because I don't know if I should do this in my Users epic or an RBAC person should do it in their epic, and I know it's blocked but not by which exact ticket. @misskniss @vapurrmaid