MC-35599: A Customer can not change the file of the Product with Customizable Option, updating the Shopping Cart

Author: Viktor Sevch

app/code/Magento/Catalog/view/frontend/templates/product/view/options/type/file.phtml

@@ -75,6 +75,6 @@
     <?= $_fileExists ?
         /* @noEscape */ $secureRenderer->renderStyleAsTag(
             'display:none',
-            'input-box-' . /* @noEscape */ $_fileName
+            '#input-box-' . /* @noEscape */ $_fileName
         ) : '' ?>
 </div>