Fix App.jsx two-page workflow JSX render and update study app layout

node_modules/sucrase/dist/esm/util/getJSXPragmaInfo.js

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+export default function getJSXPragmaInfo(options) {
+  const [base, suffix] = splitPragma(options.jsxPragma || "React.createElement");
+  const [fragmentBase, fragmentSuffix] = splitPragma(options.jsxFragmentPragma || "React.Fragment");
+  return {base, suffix, fragmentBase, fragmentSuffix};
+}
+
+function splitPragma(pragma) {
+  let dotIndex = pragma.indexOf(".");
+  if (dotIndex === -1) {
+    dotIndex = pragma.length;
+  }
+  return [pragma.slice(0, dotIndex), pragma.slice(dotIndex)];
+}