Fixed bug with preferred name not updating on Jumbotron
Fixed bug with preferred name not updating on Jumbotron

We weren't passing in the right profile object to <Jumbotron>, so it was
relying on `SETTINGS.preferred_name` instead of the updated profile
object (`SETTINGS` is only updated on a full page refresh).

mitodl/micromasters,mitodl/micromasters,mitodl/micromasters,mitodl/micromasters