fix: improve pull to refresh on wallet page (#689)

## Description
<!-- Briefly explain the purpose of this PR and what it accomplishes.
-->

## Additional Notes
<!-- Add any extra context or relevant information here. -->

## Type of Change
- [x] Bug fix
- [ ] New feature
- [ ] Breaking change
- [ ] Refactoring
- [ ] Documentation
- [ ] Chore

## Screenshots (if applicable)


https://github.com/user-attachments/assets/fd71df4a-5cb1-4e14-9fd9-9be89a7b30df

lib/app/features/user/providers/follow_list_provider.c.dart

@@ -19,6 +19,16 @@ Future<FollowListEntity?> followList(
   bool network = true,
   bool cache = true,
 }) async {
+  ref.onDispose(
+    () => ref.invalidate(
+      ionConnectEntityProvider(
+        eventReference: ReplaceableEventReference(pubkey: pubkey, kind: FollowListEntity.kind),
+        network: network,
+        cache: cache,
+      ),
+    ),
+  );
+
   return await ref.watch(
     ionConnectEntityProvider(
       eventReference: ReplaceableEventReference(pubkey: pubkey, kind: FollowListEntity.kind),
@@ -34,7 +44,8 @@ Future<FollowListEntity?> currentUserFollowList(Ref ref) async {
   if (currentPubkey == null) {
     return null;
   }
-  return ref.watch(followListProvider(currentPubkey).future);
+  ref.onDispose(() => ref.invalidate(followListProvider(currentPubkey, cache: false)));
+  return ref.watch(followListProvider(currentPubkey, cache: false).future);
 }
 
 @riverpod

lib/app/features/wallets/views/pages/wallet_page/components/balance/balance.dart

@@ -21,9 +21,10 @@ class Balance extends ConsumerWidget {
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
-    final currentWalletData = ref.watch(currentWalletViewDataProvider).valueOrNull;
-    final walletBalance = currentWalletData?.usdBalance ?? 0;
-    final isLoading = currentWalletData == null;
+    final currentWalletData = ref.watch(currentWalletViewDataProvider);
+    final currentWallet = currentWalletData.valueOrNull;
+    final walletBalance = currentWallet?.usdBalance ?? 0;
+    final isLoading = currentWalletData.isLoading;
 
     final isBalanceVisible = ref.watch(isBalanceVisibleSelectorProvider);
     final hitSlop = 5.0.s;

lib/app/features/wallets/views/pages/wallet_page/components/coins/coins_tab.dart

@@ -8,6 +8,7 @@ import 'package:ion/app/features/wallets/providers/filtered_assets_provider.c.da
 import 'package:ion/app/features/wallets/views/components/coins_list/coin_item.dart';
 import 'package:ion/app/features/wallets/views/pages/wallet_page/components/coins/coins_tab_footer.dart';
 import 'package:ion/app/features/wallets/views/pages/wallet_page/components/empty_state/empty_state.dart';
+import 'package:ion/app/features/wallets/views/pages/wallet_page/components/loaders/list_loader.dart';
 import 'package:ion/app/features/wallets/views/pages/wallet_page/tab_type.dart';
 import 'package:ion/app/router/app_routes.c.dart';
 
@@ -50,6 +51,7 @@ class CoinsTab extends ConsumerWidget {
           ],
         );
       },
+      loading: () => const ListLoader(),
       orElse: () => const SliverToBoxAdapter(
         child: SizedBox.shrink(),
       ),

lib/app/features/wallets/views/pages/wallet_page/components/contacts/contacts_list.dart

@@ -23,6 +23,7 @@ class ContactsList extends ConsumerWidget {
     );
 
     return friendsDataState.maybeWhen(
+      skipLoadingOnRefresh: false,
       data: (friends) {
         final friendsPubkeys = friends?.pubkeys ?? [];