Use same condition for link start as for link end

Signed-off-by: Michal Čihař <michal@cihar.com>

templates/list/item.phtml

@@ -32,10 +32,10 @@
         ?>>
     <?php endif; ?>
         <?= $content ?>
-    <?php if (!empty($url) && is_array($url)): ?>
+    <?php if (isset($url) && is_array($url) && array_filter($url)) : ?>
         </a>
     <?php endif; ?>
     <?php if (!empty($mysql_help_page)): ?>
         <?= PMA\libraries\Util::showMySQLDocu($mysql_help_page) ?>
     <?php endif; ?>
-</li>
+</li>