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

node_modules/xml-js/lib/json2xml.js

@@ -0,0 +1,18 @@
+var js2xml = require('./js2xml.js');
+
+module.exports = function (json, options) {
+  if (json instanceof Buffer) {
+    json = json.toString();
+  }
+  var js = null;
+  if (typeof (json) === 'string') {
+    try {
+      js = JSON.parse(json);
+    } catch (e) {
+      throw new Error('The JSON structure is invalid');
+    }
+  } else {
+    js = json;
+  }
+  return js2xml(js, options);
+};