Fixes no lesson error for quizzes

CHANGELOG.md

@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Upcoming release]
 - Added "Anu LMS Demo content" module.
 - Added path alias patterns for Anu LMS content types.
+- Fixed no lesson error for quizzes.
 
 ## [2.5.0-alpha]
 - Move progress tracking to frontend and make progress available offline.

js/src/pages/lesson/index.js

@@ -84,12 +84,12 @@ const LessonPage = ({ lesson, quiz, course, width }) => {
   // TODO: get URL of the current lesson.
   const fallbackUrl = '/';
   useEffect(() => {
-    if (lesson.isRestricted) {
+    if (content.isRestricted) {
       window.location.href = fallbackUrl;
     }
-  }, [lesson.isRestricted, fallbackUrl]);
+  }, [content.isRestricted, fallbackUrl]);
 
-  if (lesson.isRestricted) {
+  if (content.isRestricted) {
     return <LoadingIndicator isLoading={true} />;
   }