Add feature checks to PageChangedHandler

Introduced checks for MenuFeature global feature and MenuEnable feature flag in PageChangedHandler. The handler now returns early if either feature is disabled, improving feature gating and preventing unnecessary processing.

modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/Menus/PageChangedHandler.cs

@@ -4,6 +4,10 @@ using System.Threading.Tasks;
 using Volo.Abp.DependencyInjection;
 using Volo.Abp.Domain.Entities.Events;
 using Volo.Abp.EventBus;
+using Volo.Abp.Features;
+using Volo.Abp.GlobalFeatures;
+using Volo.CmsKit.Features;
+using Volo.CmsKit.GlobalFeatures;
 using Volo.CmsKit.Pages;
 
 namespace Volo.CmsKit.Menus;
@@ -12,19 +16,32 @@ public class PageChangedHandler :
     ILocalEventHandler<EntityUpdatedEventData<Page>>,
     ITransientDependency
 {
+    protected IFeatureChecker FeatureChecker { get; set; }
     protected IMenuItemRepository MenuRepository { get; }
     protected MenuItemManager MenuManager { get; }
 
     public PageChangedHandler(
+        IFeatureChecker featureChecker,
         IMenuItemRepository menuRepository,
         MenuItemManager menuManager)
     {
+        FeatureChecker = featureChecker;
         MenuRepository = menuRepository;
         MenuManager = menuManager;
     }
 
     public async Task HandleEventAsync(EntityUpdatedEventData<Page> eventData)
     {
+        if(!GlobalFeatureManager.Instance.IsEnabled<MenuFeature>())
+        {
+            return;
+        }
+
+        if(!await FeatureChecker.IsEnabledAsync(CmsKitFeatures.MenuEnable))
+        {
+            return;
+        }
+
         // TODO: Write a repository query.
         var allMenuItems = await MenuRepository.GetListAsync();