ENGCOM-5432: Add missing getClass() to image.phtml so it is more like image_with_borders.phtml #23652

 - Merge Pull Request #23652 from storefront-bvba/magento2:simplify-adding-product-image-css-class
 - Merged commits:
   1. 64c45b7

Author: magento-engcom-team

app/code/Magento/Catalog/view/frontend/templates/product/image.phtml

@@ -6,7 +6,7 @@
 ?>
 <?php /** @var $block \Magento\Catalog\Block\Product\Image */ ?>
 
-<img class="photo image"
+<img class="photo image <?= $block->escapeHtmlAttr($block->getClass()) ?>"
     <?= $block->escapeHtml($block->getCustomAttributes()) ?>
     src="<?= $block->escapeUrl($block->getImageUrl()) ?>"
     width="<?= $block->escapeHtmlAttr($block->getWidth()) ?>"