persist twoPageMode

lib/home_page.dart

@@ -7,7 +7,9 @@ import 'api.dart';
 import 'sheet.dart';
 
 class MyHomePage extends StatefulWidget {
-  const MyHomePage({super.key});
+  final Config config;
+
+  const MyHomePage({super.key, required this.config});
 
   @override
   State<MyHomePage> createState() => _MyHomePageState();
@@ -73,8 +75,11 @@ class _MyHomePageState extends State<MyHomePage> {
                 Navigator.push(
                   context,
                   MaterialPageRoute(
-                    builder: (context) =>
-                        SheetViewerPage(sheet: sheet, apiClient: apiClient!),
+                    builder: (context) => SheetViewerPage(
+                      sheet: sheet,
+                      apiClient: apiClient!,
+                      config: widget.config,
+                    ),
                   ),
                 );
               },