lib-storage: mailbox_get_expunges() didn't return any expunges if modseq was too low. This fixes problems with dsync creating back expunged messages.
lib-storage: mailbox_get_expunges() didn't return any expunges if modseq was too low.
This fixes problems with dsync creating back expunged messages.

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