CF7 shortcodes do not work in “To:” Mail field

It looks like fields shortcodes [email-1],[email-2] are removed from sender (“To:”) field. So, when form tries to send email it sends it to , address.

I dropped data using

error_log( $recipient );
error_log( $subject );
error_log( $body );
error_log( $headers );

from “compose” function of includes/mail.php file.
error_log( $recipient ); returned “,”