Update visual.phtml

Start tag (<th>) not closed properly, expected  '>'.

Author: AntonKryvoruchko

app/code/Magento/Swatches/view/adminhtml/templates/catalog/product/attribute/visual.phtml

@@ -21,7 +21,7 @@ $stores = $block->getStoresSortedBySortOrder();
                 <th class="col-default"><span><?= $block->escapeHtml(__('Is Default')) ?></span></th>
                 <th><span><?= $block->escapeHtml(__('Swatch')) ?></span></th>
                 <?php foreach ($stores as $_store) : ?>
-                    <th<?= ($_store->getId() == \Magento\Store\Model\Store::DEFAULT_STORE_ID) ? ' class="_required"' : '' ?>
+                    <th<?= ($_store->getId() == \Magento\Store\Model\Store::DEFAULT_STORE_ID) ? ' class="_required"' : '' ?>>
                         <span><?= $block->escapeHtml($_store->getName()) ?></span>
                     </th>
                 <?php endforeach; ?>