[dev] Option button availability for anonymous users

[Chuck Hagenbuch]

Quoting Jan Schneider <jan@horde.org>:

> I agree to Jean-Charles. What sense does it make to have options if they
> aren't stored, not even in the session?

Well, if there is a preferences backend, they're _always_ cached in the
session. And this patch didn't check for session prefs...

-chuck

--
Charles Hagenbuch, <chuck@horde.org>
"After a few minutes the most aromatic and nice smelling Italian coffee 
 will come out of the exhaustpipe." - Our stove-top espresso pot