MAGETWO-69210: [Google Tag Manager] Ajax "Add to Cart" / "Remove from Cart" do not fire any events

Author: VladimirZaets

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

@@ -78,7 +78,7 @@ $_helper = $this->helper('Magento\Catalog\Helper\Output');
                                 <div class="actions-primary"<?= strpos($pos, $viewMode . '-primary') ? $position : '' ?>>
                                     <?php if ($_product->isSaleable()): ?>
                                         <?php $postParams = $block->getAddToCartPostParams($_product); ?>
-                                        <form data-role="tocart-form" data-product-sku="<?= $_product->getSku() ?>" action="<?= $postParams['action'] ?>" method="post">
+                                        <form data-role="tocart-form" data-product-sku="<?=  /* @NoEscape */ $_product->getSku() ?>" action="<?= /* @NoEscape */ $postParams['action'] ?>" method="post">
                                             <input type="hidden" name="product" value="<?= /* @escapeNotVerified */ $postParams['data']['product'] ?>">
                                             <input type="hidden" name="<?= /* @escapeNotVerified */ Action::PARAM_NAME_URL_ENCODED ?>" value="<?= /* @escapeNotVerified */ $postParams['data'][Action::PARAM_NAME_URL_ENCODED] ?>">
                                             <?= $block->getBlockHtml('formkey') ?>
@@ -122,7 +122,7 @@ $_helper = $this->helper('Magento\Catalog\Helper\Output');
         {
             "[data-role=tocart-form], .form.map.checkout": {
                 "catalogAddToCart": {
-                    "product_sku": "<?= $_product->getSku() ?>"
+                    "product_sku": "<?= /* @NoEscape */ $_product->getSku() ?>"
                 }
             }
         }

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

@@ -16,8 +16,8 @@
 <?php $_product = $block->getProduct(); ?>
 
 <div class="product-add-form">
-    <form data-product-sku="<?= $_product->getSku() ?>"
-          action="<?= $block->getSubmitUrl($_product) ?>" method="post"
+    <form data-product-sku="<?= /* @NoEscape */ $_product->getSku() ?>"
+          action="<?= /* @NoEscape */ $block->getSubmitUrl($_product) ?>" method="post"
           id="product_addtocart_form"<?php if ($_product->getOptions()): ?> enctype="multipart/form-data"<?php endif; ?>>
         <input type="hidden" name="product" value="<?= /* @escapeNotVerified */ $_product->getId() ?>" />
         <input type="hidden" name="selected_configurable_option" value="" />