imap: If we disconnect client because mailbox is inconsistent, send the error message before BYE.
imap: If we disconnect client because mailbox is inconsistent, send the error message before BYE.

jwm/dovecot-notmuch,jwm/dovecot-notmuch,jwm/dovecot-notmuch,jwm/dovecot-notmuch,jwm/dovecot-notmuch