imap: When fetching X-GUID, set MAIL_FETCH_GUID also as "wanted fields" for optimization.
imap: When fetching X-GUID, set MAIL_FETCH_GUID also as "wanted fields" for optimization.

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