MAGETWO-99799: [Backport for 2.2] Eliminate @escapeNotVerified in Catalog Modules

Author: Joan He

app/code/Magento/Catalog/view/adminhtml/templates/catalog/product/composite/fieldset/options/type/date.phtml

@@ -10,7 +10,7 @@
 /* @var $block \Magento\Catalog\Block\Product\View\Options\Type\Date */
 ?>
 <?php $_option = $block->getOption(); ?>
-<?php $_optionId = $_option->getId(); ?>
+<?php $_optionId = (int) $_option->getId(); ?>
 <div class="admin__field field<?= $_option->getIsRequire() ? ' required _required' : '' ?>">
     <label class="label admin__field-label">
         <span>