FacetWP Random Order with Preservation (use session_id as a seed instead of time()

functions.php

<?php
// Original - https://facetwp.com/random-ordering-in-facetwp/
function preserve_random_order( $orderby ) {
	if(session_id() == ""){
		session_start();
	}
    $seed = session_id(); // use session_id as a seed
    $orderby = str_replace( 'RAND()', "RAND('{$seed}')", $orderby );
    return $orderby;
}
add_filter( 'posts_orderby', 'preserve_random_order' );
?>