Upgrade tests tools and lint migrations and scripts (part 2) (#9998)

* upgrade gulp-babel

* upgrade babel-eslint

* upgrade eslint-friendly-formatter

* start upgrading chai

* start to upgrade eslint

* restore skipped tests

* start to upgrqde monk

* fix linting and remove unused file

* fix mocha notifications, and common tests

* fix unit tests

* start to fix initrgration tests

* more integration tests fixes

* upgrade monk to latest version

* lint /scripts

* migrations: start moving to /archive unused migrations and run eslint with --fix

* lint migrations

* fix more integration tests

* fix test

website/server/middlewares/language.js

@@ -77,13 +77,13 @@ export function getUserLanguage (req, res, next) {
     return User.findOne({
       _id: req.session.userId,
     }, 'preferences.language')
-    .lean()
-    .exec()
-    .then((user) => {
-      req.language = _getFromUser(user, req);
-      return next();
-    })
-    .catch(next);
+      .lean()
+      .exec()
+      .then((user) => {
+        req.language = _getFromUser(user, req);
+        return next();
+      })
+      .catch(next);
   } else { // Otherwise get from browser
     req.language = _getFromUser(null, req);
     return next();