Allow members to leave organisations

src/Controller/OrganisationController.php

@@ -836,6 +836,7 @@ class OrganisationController extends SimpleController
             'fields'          => $fields,
             'tools'           => $editButtons,
             'delete_redirect' => $this->ci->router->pathFor('uri_organisations'),
+            'leave_redirect'  => $this->ci->router->pathFor('dashboard'),
         ]);
     }