dsync: If unexpected changes happen during sync, return a safe last-common-uid for state.
dsync: If unexpected changes happen during sync, return a safe last-common-uid for state.

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