Order projects by last activity

- This ensures that "gitlab" is more likely
to show up in the list of projects
when searching for "gitlab"

ee/app/assets/javascripts/analytics/productivity_analytics/components/filter_dropdowns.vue

@@ -18,6 +18,7 @@ export default {
       projectsQueryParams: {
         per_page: projectsPerPage,
         with_shared: false, // exclude forks
+        order_by: 'last_activity_at',
       },
     };
   },