new favourites feature

lib/main.dart

@@ -49,6 +49,7 @@ class MyApp extends StatefulWidget {
 class _MyAppState extends State<MyApp> {
   late final BankController _bank;
   late final TxMetaController _meta;
+  late final PreferencesController _prefs;
   late final SyncController _sync;
   late final AppLinks _appLinks;
   StreamSubscription<Uri>? _linkSub;
@@ -57,8 +58,14 @@ class _MyAppState extends State<MyApp> {
   void initState() {
     super.initState();
     _meta = TxMetaController(widget.storage);
+    _prefs = PreferencesController(widget.storage);
     _bank = BankController(storage: widget.storage)..refresh();
-    _sync = SyncController(auth: widget.auth, meta: _meta, bank: _bank);
+    _sync = SyncController(
+      auth: widget.auth,
+      meta: _meta,
+      bank: _bank,
+      prefs: _prefs,
+    );
     _appLinks = AppLinks();
     _listenForBankRedirects();
   }
@@ -97,9 +104,7 @@ class _MyAppState extends State<MyApp> {
       providers: [
         ChangeNotifierProvider<AuthController>.value(value: widget.auth),
         ChangeNotifierProvider(create: (_) => ThemeController(widget.storage)),
-        ChangeNotifierProvider(
-          create: (_) => PreferencesController(widget.storage),
-        ),
+        ChangeNotifierProvider<PreferencesController>.value(value: _prefs),
         ChangeNotifierProvider<TxMetaController>.value(value: _meta),
         ChangeNotifierProvider<SyncController>.value(value: _sync),
         ChangeNotifierProvider<BankController>.value(value: _bank),