Flux - move the position of shipping section in classic theme

function.php

<?php
/**
 * Move shiping section for classic theme.
 *
 * @param array $step Step data.
 *
 * @return void
 */
function move_shipping_section_after_shipping_address( $step ) { 
	if ( 'payment' === $step['slug'] ) {
		?>
		<tr> 
			<td colspan="2"> <table class='flux-shipping-container--desktop'></table> </td> 
			<td><div class="flux-checkout--modern"></div> </td>
		</tr> 
		<?php
	}
}
add_action( 'flux_before_step_content', 'move_shipping_section_after_shipping_address' );

/**
 * Flux checkout - change shipping row element to adjust for the classic theme.
 */
add_action( 'wp_footer', function() {
	if ( ! is_checkout() ) {
		return;
	}
	?>
	<script>
		wp.hooks.addFilter( 'flux_checkout_move_shipping_row_element', 'flux_checkout', function( $shipping_row ) {
			return jQuery('.flux-checkout__order-review tr.woocommerce-shipping-totals.shipping');
		});
	</script>
	<?php
}, 10000 );