fix linting errors

Author: catarak

server/controllers/embed.controller.js

@@ -11,7 +11,8 @@ export function serveProject(req, res) {
   Project.findById(req.params.project_id)
     .exec((err, project) => {
       if (err || !project) {
-        return get404Sketch(html => res.send(html));
+        get404Sketch(html => res.send(html));
+        return;
       }
       // TODO this does not parse html
       const files = project.files;

server/server.js

@@ -132,7 +132,7 @@ app.get('*', (req, res) => {
 });
 
 // error handler
-app.use((err, req, res, next)  => {
+app.use((err, req, res, next) => {
   if (err.code !== 'EBADCSRFTOKEN') return next(err);
 
   console.error('Invalid CSRF Token.');