ENGCOM-2453: [Backport] Trim issue on customer confirmation form #16986

 - Merge Pull Request #16986 from gelanivishal/magento2:2.1-develop-PR-port-16595
 - Merged commits:
   1. 2e4bcf1

Author: magento-engcom-team

app/code/Magento/Customer/view/frontend/templates/form/confirmation.phtml

@@ -13,7 +13,7 @@
         <div class="field email required">
             <label for="email_address" class="label"><span><?php echo $block->escapeHtml(__('Email')) ?></span></label>
             <div class="control">
-                <input type="email" name="email" id="email_address" class="input-text" value="<?php echo $this->helper(\Magento\Framework\EscapeHelper::class)->escapeHtmlAttr($block->getEmail()) ?>" data-validate="{required:true, 'validate-email':true}">
+                <input type="email" name="email" id="email_address" class="input-text" value="<?= $block->escapeHtmlAttr($block->getEmail()) ?>" data-validate="{required:true, 'validate-email':true}" data-mage-init='{"mage/trim-input":{}}'>
             </div>
         </div>
     </fieldset>