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

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

@@ -0,0 +1,10 @@
+import { XmlAttributeComponent } from '../xml-components';
+export declare class CustomPropertiesAttributes extends XmlAttributeComponent<{
+    readonly xmlns: string;
+    readonly vt: string;
+}> {
+    protected readonly xmlKeys: {
+        xmlns: string;
+        vt: string;
+    };
+}