MAGETWO-99282: Eliminate @escapeNotVerified in Magento_Catalog module

Author: Joan He

app/code/Magento/Catalog/view/adminhtml/templates/catalog/category/tree.phtml

@@ -389,7 +389,7 @@
                     containerScroll: true,
                     selModel: new Ext.tree.CheckNodeMultiSelectionModel(),
                     rootVisible: '<?= (bool)$block->getRoot()->getIsVisible() ?>',
-                    useAjax: <?= (bool)$block->getUseAjax() ?>,
+                    useAjax: <?= $block->escapeJs($block->getUseAjax()) ?>,
                     switchTreeUrl: '<?= $block->escapeJs($block->escapeUrl($block->getSwitchTreeUrl())) ?>',
                     editUrl: '<?= $block->escapeJs($block->escapeUrl($block->getEditUrl())) ?>',
                     currentNodeId: <?= (int)$block->getCategoryId() ?>,

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

@@ -17,7 +17,7 @@
 
 <div class="product-add-form">
     <form data-product-sku="<?= $block->escapeHtml($_product->getSku()) ?>"
-          action="<?= $block->escapeJs($block->escapeUrl($block->getSubmitUrl($_product))) ?>" method="post"
+          action="<?= $block->escapeUrl($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="<?= (int)$_product->getId() ?>" />
         <input type="hidden" name="selected_configurable_option" value="" />