fix mongoose options

gulp/gulp-console.js

@@ -26,6 +26,7 @@ let improveRepl = (context) => {
   const mongooseOptions = !isProd ? {} : {
     keepAlive: 1,
     connectTimeoutMS: 30000,
+    useMongoClient: true,
   };
   mongoose.connect(
     nconf.get('NODE_DB_URI'),

website/server/libs/setupMongoose.js

@@ -14,6 +14,7 @@ if (MAINTENANCE_MODE !== 'true') {
   const mongooseOptions = !IS_PROD ? {} : {
     keepAlive: 120,
     connectTimeoutMS: 30000,
+    useMongoClient: true,
   };
 
   const NODE_DB_URI = nconf.get('IS_TEST') ? nconf.get('TEST_DB_URI') : nconf.get('NODE_DB_URI');