lib/Service/MailManager.php:874:32: NamedArgumentNotAllowed: Method array_merge called with named unpacked array array<never, array<array-key, OCA\Mail\Db\Message>> (array with string keys) (see https://psalm.dev/268)

lib/Service/MailManager.php:876:11: DuplicateArrayKey: String keys are not supported in unpacked arrays (see https://psalm.dev/151)