Update index.js

index.js

@@ -361,8 +361,8 @@ await initializeSessions();
 // UI Event Handlers
 exampleButton.addEventListener('click', (e) => {
   e.preventDefault();
-  e.stopPropagation();
   currentImage = EXAMPLE_URL;
+  updatePreview(currentImage);
 });
 
 uploadInput.addEventListener('change', (e) => {