dsync: Don't log "Mailbox changes caused a desync" warning when running via doveadm-server.
dsync: Don't log "Mailbox changes caused a desync" warning when running via doveadm-server.

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