MAGETWO-90974: HTML showing in minicart with custom option file upload

Add <a> </a> as allowed tags for the escape html function.

Author: admanesachin

app/code/Magento/Checkout/view/frontend/web/template/summary/item/details.html

@@ -35,7 +35,7 @@
                     <dd class="values" data-bind="html: full_view"></dd>
                     <!-- /ko -->
                     <!-- ko ifnot: ($data.full_view)-->
-                    <dd class="values" data-bind="text: value"></dd>
+                    <dd class="values" data-bind="html: value"></dd>
                     <!-- /ko -->
                 <!-- /ko -->
             </dl>

app/code/Magento/Sales/view/frontend/templates/order/items/renderer/default.phtml

@@ -20,9 +20,9 @@ $_item = $block->getItem();
                 <?php $_formatedOptionValue = $block->getFormatedOptionValue($_option) ?>
                 <dd>
                     <?php if (isset($_formatedOptionValue['full_view'])): ?>
-                        <?= $block->escapeHtml($_formatedOptionValue['full_view']) ?>
+                        <?= $block->escapeHtml($_formatedOptionValue['full_view'], ['a']) ?>
                     <?php else: ?>
-                        <?=$block->escapeHtml($_formatedOptionValue['value']) ?>
+                        <?=$block->escapeHtml($_formatedOptionValue['value'], ['a']) ?>
                     <?php endif; ?>
                 </dd>
             <?php else: ?>