store only xml if tutorial-id exists

src/components/ClearWorkspace.js

@@ -39,7 +39,7 @@ class ClearWorkspace extends Component {
 
 ClearWorkspace.propTypes = {
   clearStats: PropTypes.func.isRequired,
-  onChangeWorkspace: PropTypes.func.isRequired
+  onChangeCode: PropTypes.func.isRequired
 };
 
 

src/components/Tutorial/Tutorial.js

@@ -100,7 +100,7 @@ class Tutorial extends Component {
 
 Tutorial.propTypes = {
   tutorialId: PropTypes.func.isRequired,
-  currentTutorialId: PropTypes.number.isRequired,
+  currentTutorialId: PropTypes.number,
   status: PropTypes.array.isRequired,
   change: PropTypes.number.isRequired
 };