fix: notification to upgrade dashboard for latest features not working (

#1894)

Parse-Dashboard/app.js

@@ -9,7 +9,7 @@ var fs = require('fs');
 const currentVersionFeatures = require('../package.json').parseDashboardFeatures;
 
 var newFeaturesInLatestVersion = [];
-packageJson('parse-dashboard', 'latest').then(latestPackage => {
+packageJson('parse-dashboard', { version: 'latest', fullMetadata: true }).then(latestPackage => {
   if (latestPackage.parseDashboardFeatures instanceof Array) {
     newFeaturesInLatestVersion = latestPackage.parseDashboardFeatures.filter(feature => {
       return currentVersionFeatures.indexOf(feature) === -1;