lib-storage: When mailbox_get_status/metadata() auto-syncs mailbox, use MAILBOX_SYNC_FLAG_FAST
lib-storage: When mailbox_get_status/metadata() auto-syncs mailbox, use MAILBOX_SYNC_FLAG_FAST

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