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

node_modules/docx/dist/file/custom-properties/custom-properties.d.ts

@@ -0,0 +1,9 @@
+import { IContext, IXmlableObject, XmlComponent } from '../xml-components';
+import { ICustomPropertyOptions } from './custom-property';
+export declare class CustomProperties extends XmlComponent {
+    private nextId;
+    private readonly properties;
+    constructor(properties: readonly ICustomPropertyOptions[]);
+    prepForXml(context: IContext): IXmlableObject | undefined;
+    addCustomProperty(property: ICustomPropertyOptions): void;
+}