bp_nouveau_ajax_search_recipients_exclude_non_friend( $results )

function bp_nouveau_ajax_search_recipients_exclude_non_friend( $results ) {

	if ( true === bp_force_friendship_to_message() ) {
		$new_users = array();
		foreach ( $results as $user ) {
			$member_friend_status = friends_check_friendship_status( $user->user_id, bp_loggedin_user_id() );
			if ( 'is_friend' === $member_friend_status ) {
				$new_users[] = $user;
			}
		}
		return $new_users;
	}
	return $results;
}