AC-2088: Fixed shipping policy rendering issue

	* Fixed policy rendering issue

Author: rizwankhgl

app/code/Magento/Checkout/Model/DefaultConfigProvider.php

@@ -31,6 +31,7 @@
 use Magento\Quote\Model\QuoteIdMaskFactory;
 use Magento\Store\Model\ScopeInterface;
 use Magento\Ui\Component\Form\Element\Multiline;
+use Magento\Framework\Escaper;
 
 /**
  * Default Config Provider for checkout
@@ -191,6 +192,11 @@ class DefaultConfigProvider implements ConfigProviderInterface
      */
     private $configPostProcessor;
 
+    /**
+     * @var Escaper
+     */
+    private $escaper;
+
     /**
      * @param CheckoutHelper $checkoutHelper
      * @param Session $checkoutSession
@@ -222,6 +228,7 @@ class DefaultConfigProvider implements ConfigProviderInterface
      * @param AddressMetadataInterface $addressMetadata
      * @param AttributeOptionManagementInterface $attributeOptionManager
      * @param CustomerAddressDataProvider|null $customerAddressData
+     * @param Escaper|null $escaper
      * @codeCoverageIgnore
      * @SuppressWarnings(PHPMD.ExcessiveParameterList)
      */
@@ -255,7 +262,8 @@ public function __construct(
         CaptchaConfigPostProcessorInterface $configPostProcessor,
         AddressMetadataInterface $addressMetadata = null,
         AttributeOptionManagementInterface $attributeOptionManager = null,
-        CustomerAddressDataProvider $customerAddressData = null
+        CustomerAddressDataProvider $customerAddressData = null,
+        Escaper $escaper = null
     ) {
         $this->checkoutHelper = $checkoutHelper;
         $this->checkoutSession = $checkoutSession;
@@ -289,6 +297,7 @@ public function __construct(
         $this->customerAddressData = $customerAddressData ?:
             ObjectManager::getInstance()->get(CustomerAddressDataProvider::class);
         $this->configPostProcessor = $configPostProcessor;
+        $this->escaper = $escaper ?? ObjectManager::getInstance()->get(Escaper::class);
     }
 
     /**
@@ -343,6 +352,7 @@ public function getConfig()
             'shipping/shipping_policy/shipping_policy_content',
             ScopeInterface::SCOPE_STORE
         );
+        $policyContent = $this->escaper->escapeHtml($policyContent);
         $output['shippingPolicy'] = [
             'isEnabled' => $this->scopeConfig->isSetFlag(
                 'shipping/shipping_policy/enable_shipping_policy',