imap: Allocate LIST patterns from command pool so they don't get corrupted in long runs.
imap: Allocate LIST patterns from command pool so they don't get corrupted in long runs.

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