Update apps UX adjustments

lib/models/local_app.dart

@@ -81,7 +81,10 @@ mixin LocalAppAdapter on Adapter<LocalApp> {
           .saveLocal();
     }
 
-    // Update number of apps
+    updateNumberOfApps();
+  }
+
+  void updateNumberOfApps() {
     final rs = db.select(
         'SELECT count(*) as c FROM localApps WHERE json_extract(data, \'\$.status\') is \'updatable\'');
     ref.read(appsToUpdateProvider.notifier).state = rs.first['c'];

lib/navigation/app_initializer.dart

@@ -39,6 +39,8 @@ final appInitializer = FutureProvider<void>((ref) async {
   // Preload zapstore's nostr curation set
   await ref.read(appCurationSetProvider(kNostrCurationSet).notifier).fetch();
 
+  ref.localApps.localAppAdapter.updateNumberOfApps();
+
   // Handle deep links
   final appLinksSub = appLinks.uriLinkStream.listen((uri) async {
     if (uri.scheme == "zapstore") {

lib/screens/updates_screen.dart

@@ -14,8 +14,7 @@ class UpdatesScreen extends HookConsumerWidget {
   Widget build(BuildContext context, WidgetRef ref) {
     final state = ref.watch(updatesProvider);
 
-    if (!state.hasValue) return Container();
-    final (updatedApps, updatableApps) = state.value!;
+    final (updatedApps, updatableApps) = state.value ?? ([], []);
 
     return SingleChildScrollView(
       physics: AlwaysScrollableScrollPhysics(),
@@ -30,7 +29,8 @@ class UpdatesScreen extends HookConsumerWidget {
                   style: TextStyle(fontSize: 30, fontWeight: FontWeight.bold)),
             ],
           ),
-          if (updatedApps.isEmpty && updatableApps.isEmpty) SpinningLogo(),
+          if (updatedApps.isEmpty && updatableApps.isEmpty)
+            SpinningLogo(size: 80),
           if (updatableApps.isNotEmpty)
             Column(
               crossAxisAlignment: CrossAxisAlignment.start,