Fixed required class is missing in load template

Author: gaurav-473

app/code/Magento/Email/view/adminhtml/templates/template/edit.phtml

@@ -13,8 +13,8 @@ use Magento\Framework\App\TemplateTypesInterface;
     <?= $block->getBlockHtml('formkey') ?>
     <fieldset class="admin__fieldset form-inline">
         <legend class="admin__legend"><span><?= $block->escapeHtml(__('Load Default Template')) ?></span></legend><br>
-        <div class="admin__field">
-            <label class="admin__field-label" for="template_select"><?= $block->escapeHtml(__('Template')) ?></label>
+        <div class="admin__field required">
+            <label class="admin__field-label" for="template_select"><span><?= $block->escapeHtml(__('Template')) ?></span></label>
             <div class="admin__field-control">
                 <select id="template_select" name="code" class="admin__control-select required-entry">
                     <?php foreach ($block->getTemplateOptions() as $group => $options) : ?>