message: chore: fix type cast in vanilla js
diff: @@ -14,8 +14,8 @@ render(ExtensionPoint.Playground, (root, api) => {
  },
  });
  - cardSection.appendChild(textField as any);
  - card.appendChild(cardSection as any);
  + cardSection.appendChild(textField);
  + card.appendChild(cardSection);
  root.appendChild(card);
  root.mount();
  