If there are no expunges, sync to head map instead of keeping track of a cloned map.
If there are no expunges, sync to head map instead of keeping track of a
cloned map.

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