Release locked artefacts when releasing a view from moodle

Bug #900932

Change-Id: I4b3f6e18fb0ab68a8d9e0e5327d672e373f9a291
Signed-off-by: Richard Mansfield <richard.mansfield@catalyst.net.nz>

htdocs/api/xmlrpc/lib.php

@@ -762,6 +762,7 @@ function release_submitted_view($viewid, $assessmentdata, $teacherusername) {
     $view->set('submittedhost', null);
     $view->set('submittedtime', null);
     $view->commit();
+    ArtefactType::update_locked($view->get('owner'));
     db_commit();
 }