fix(server:errors): fix res.render syntax

Author: Awk34

app/templates/server/components/errors/index.js

@@ -12,11 +12,11 @@ module.exports[404] = function pageNotFound(req, res) {
   };
 
   res.status(result.status);
-  res.render(viewFilePath, function(err) {
+  res.render(viewFilePath, {}, function(err, html) {
     if (err) {
       return res.json(result, result.status);
     }
 
-    res.render(viewFilePath);
+    res.send(html);
   });
 };