Fixed notification pagination for all and unread

lib/views/notification/widgets/notification_all_tab.dart

@@ -13,7 +13,7 @@ class NotificationAllTab extends StatelessWidget {
   Widget build(BuildContext context) {
     final viewModel = context.watch<NotificationViewModel>();
     final notifications =
-        viewModel.notificationResponse?.data?.notifications ?? [];
+        viewModel.allNotificationResponse?.data?.notifications ?? [];
 
     return ListView.builder(
       controller: scrollController,

lib/views/notification/widgets/notification_important_tab.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:tm_app/view_models/notification_view_model.dart';
-
+import 'package:tm_app/views/notification/strings/notification_strings.dart';
 import 'notification_card.dart';
 
 class NotificationImportantTab extends StatelessWidget {
@@ -12,13 +12,25 @@ class NotificationImportantTab extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final viewModel = context.watch<NotificationViewModel>();
-    final allNotifications =
-        viewModel.notificationResponse?.data?.notifications ?? [];
 
-    final importantNotifications = allNotifications
-        .where((n) => n.priority?.toLowerCase() == 'important')
+    if (viewModel.isLoadingImportant) {
+      return const Center(child: CircularProgressIndicator());
+    }
+
+    final importantFromApi = viewModel.importantNotificationResponse?.data?.notifications ?? [];
+
+    final allNotifications = viewModel.allNotificationResponse?.data?.notifications ?? [];
+
+    final source = importantFromApi.isNotEmpty ? importantFromApi : allNotifications;
+
+    final importantNotifications = source
+        .where((n) => (n.priority ?? '').toLowerCase() == 'important')
         .toList();
 
+    if (importantNotifications.isEmpty) {
+      return const Center(child: Text(NotificationStrings.noImportantNotifications));
+    }
+
     return ListView.builder(
       controller: scrollController,
       itemCount: importantNotifications.length,

lib/views/notification/widgets/notification_unread_tab.dart

@@ -14,7 +14,7 @@ class NotificationUnreadTab extends StatelessWidget {
   Widget build(BuildContext context) {
     final viewModel = context.watch<NotificationViewModel>();
 
-    if (viewModel.isUnreadLoading) {
+    if (viewModel.isLoadingUnread){
       return const Center(child: CircularProgressIndicator());
     }