Electro - Home v5 category block order

functions.php

add_filter( 'get_terms', 'electro_preserve_category_slug_order', 10, 4 );
function electro_preserve_category_slug_order( $terms, $taxonomies, $args, $term_query ) {

    if (
        is_admin()
        || empty( $args['include'] )
        || ! in_array( 'product_cat', (array) $taxonomies, true )
    ) {
        return $terms;
    }

    $include = array_map( 'intval', (array) $args['include'] );

    usort( $terms, function ( $a, $b ) use ( $include ) {
        return array_search( $a->term_id, $include )
            <=> array_search( $b->term_id, $include );
    });

    return $terms;
}