lib-storage: Don't double-demimefy headers when DISPLAYFROM/DISPLAYTO sorting.
lib-storage: Don't double-demimefy headers when DISPLAYFROM/DISPLAYTO sorting.

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