Electro - Exclude Out of Stock Products From Live Search

functions.php

if ( !function_exists( 'electro_child_wc_live_search_query_custom_args' ) ) {
    function electro_child_wc_live_search_query_custom_args( $args ) {
        $args['stock_status'] = array( 'instock', 'onbackorder' );
        return $args;
    }
}
add_filter( 'electro_wc_live_search_query_args', 'electro_child_wc_live_search_query_custom_args' );