Fix encoding of special characters

Special characters would get html encoded (& -> &amp;). This has been tested against several payloads (e.g. <script>alert(0)</script>) to ensure it's not vulnerable to XSS.

src/webui/www/private/rename.html

@@ -33,7 +33,7 @@
             var name = new URI().getData('name');
             // set text field to current value
             if (name)
-                $('rename').value = escapeHtml(decodeURIComponent(name));
+                $('rename').value = decodeURIComponent(name);
 
             $('rename').focus();
             $('renameButton').addEvent('click', function(e) {