lib-storage: When "Recent flags state corrupted" happens, avoid assert-crashing afterwards.
lib-storage: When "Recent flags state corrupted" happens, avoid assert-crashing afterwards.

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