[imp] trouble with quota imp 4.2

[Per olof Ljungmark]

Per olof Ljungmark wrote:
> After upgrade to Horde 3.2.1/imp 4.2 user imap quotas no longer shows. 
> What really puzzles me is that on our test installation with same 
> versions, same imap server (cyrus) and configs quotas shows in both imp 
> and dimp.
> 
> Tried both "imap" and "hook" driver.
> 

Hmmm, some combination of

'preferred' =>
and
$conf[server][server_list]
apparently fixed it but unfortunately I cannot tell exactly which.

--per