Added Localizations and ran small fixes

frontend/pweb/lib/widgets/sidebar/page.dart

@@ -15,6 +15,8 @@ import 'package:pweb/pages/dashboard/dashboard.dart';
 import 'package:pweb/widgets/sidebar/destinations.dart';
 import 'package:pweb/widgets/sidebar/sidebar.dart';
 
+import 'package:pweb/generated/i18n/app_localizations.dart';
+
 
 class PageSelector extends StatelessWidget {
   const PageSelector({super.key});
@@ -22,6 +24,7 @@ class PageSelector extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final provider = context.watch<PageSelectorProvider>();
+    final loc = AppLocalizations.of(context)!;
 
     Widget content;
     switch (provider.selected) {
@@ -76,7 +79,7 @@ class PageSelector extends StatelessWidget {
             ? WalletEditPage(
               onBack: provider.goBackFromWalletEdit,
             )
-            : const Center(child: Text('No wallet selected')); //TODO Localize
+            : Center(child: Text(loc.noWalletSelected));
         break;
 
       default: