Replace Dashboard button with About button when logged out
Replace Dashboard button with About button when logged out

The dashboard button is useless to logged-out users, and the redirect
makes it seem like something went wrong. Replacing it with an about
button makes the behaviour obvious.

Change-Id: Ic1f0305037d529af11e284062ddaae49c3b8a35d

ColdrickSotK/storyboard-webclient,ColdrickSotK/storyboard-webclient,ColdrickSotK/storyboard-webclient