Fixes for rubocop

ee/app/controllers/ee/clusters/clusters_controller.rb

@@ -49,7 +49,7 @@ module EE
           )
         end
       end
-      
+
       def metrics_dashboard
         project_for_dashboard = defined?(project) ? project : nil # Project is not defined for group and admin level clusters
         dashboard = ::Gitlab::Metrics::Dashboard::Finder.find(project_for_dashboard, current_user, metrics_dashboard_params)

ee/app/controllers/ee/groups/clusters_controller.rb

@@ -25,7 +25,7 @@ module EE
           .with_pagination(request, response)
           .represent(environments)
       end
-      
+
       def metrics_dashboard_params
         {
           cluster: cluster,