fixed pagination

lib/views/notification/widgets/notification_important_tab.dart

@@ -13,14 +13,18 @@ class NotificationImportantTab extends StatelessWidget {
   Widget build(BuildContext context) {
     final viewModel = context.watch<NotificationViewModel>();
 
-    if (viewModel.isLoadingImportant) {
+    if (viewModel.isLoadingImportant &&
+        (viewModel.importantNotificationResponse?.data?.isEmpty ?? true)) {
       return const Center(child: CircularProgressIndicator());
     }
 
-    final importantNotifications = viewModel.importantNotificationResponse?.data ?? [];
+    final importantNotifications =
+        viewModel.importantNotificationResponse?.data ?? [];
 
     if (importantNotifications.isEmpty) {
-      return const Center(child: Text(NotificationStrings.noImportantNotifications));
+      return const Center(
+        child: Text(NotificationStrings.noImportantNotifications),
+      );
     }
 
     return ListView.builder(
@@ -30,9 +34,7 @@ class NotificationImportantTab extends StatelessWidget {
         final notification = importantNotifications[index];
         return Padding(
           padding: const EdgeInsets.only(bottom: 16.0),
-          child: NotificationCard(
-            notification: notification,
-          ),
+          child: NotificationCard(notification: notification),
         );
       },
     );