Add the configuration image to the order received item

order_received_item_thumbnail_image.php

<?php
/** 
 * Display the product thumbnail in order received page
 */
function order_received_item_thumbnail_image( $item_name, $item, $is_visible ) {

    // Targeting order received page only

    if( ! is_wc_endpoint_url('order-received') ) return $item_name;

    // Get the WC_Product object (from order item)
    $product = $item->get_product();

    if ( $image = apply_filters( 'woocommerce_order_item_thumbnail', $product->get_image(), $item ) ) {
        $product_image = '<span>' . $image . '</span>';
        $item_name = $product_image . $item_name;
    }

    return $item_name;
}

add_filter( 'woocommerce_order_item_name', 'order_received_item_thumbnail_image', 10, 3 );