Don't show archived projects in maniphest sidebar

src/applications/maniphest/controller/ManiphestController.php

@@ -69,6 +69,9 @@ abstract class ManiphestController extends PhabricatorController {
       $project_ids = array($hide_item_id);
 
       foreach ($projects as $project) {
+        if ($project->isArchived()) {
+          continue;
+        }
         $url = 'project/' . $project->getID();
         $name = $project->getName();
         $is_hide = !in_array($name, $this->alwaysVisibleProjects);