Refactored json storage

lib/pages/data/widgets/account_settings.dart

@@ -6,7 +6,7 @@ import 'package:tunas/pages/common/titled_container.dart';
 class AccountSettings extends StatelessWidget {
   const AccountSettings({super.key});
 
-  List<Widget> _computeCategoryList(Set<String> subAccounts) {
+  List<Widget> _computeCategoryList(List<String> subAccounts) {
     return subAccounts.map((subAccount) => Row(
       children: [
         Text(subAccount),
@@ -23,7 +23,7 @@ class AccountSettings extends StatelessWidget {
           scrollDirection: Axis.vertical,
           child: Column(
             crossAxisAlignment: CrossAxisAlignment.start,
-            children: _computeCategoryList(state.subAccounts),
+            children: _computeCategoryList(state.accounts.map((account) => account.label).toList()),
           ),
         ),
       ),