imapc: Added a Courier-workaround for not returning UIDNEXT on SELECT.
imapc: Added a Courier-workaround for not returning UIDNEXT on SELECT.

LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot