On a non whitelabeled setup, allow a user to jump from one tenant to
another without having to go back to the tenants page.
On a whitelabeled setup, make the tenant item non-clickable (the click
doesn't do anything anyway).
Change-Id: I94d27445c65ed5c3f8d02fae9d47d426528d2332
Matthieu Huin
d3f5b9890e