Set `ObjectMapperContext` in `CmsKitPublic` project.

modules/cms-kit/src/Volo.CmsKit.Public.Web/Controllers/CmsKitPublicControllerBase.cs

@@ -8,5 +8,6 @@ public abstract class CmsKitPublicControllerBase : AbpController
 	public CmsKitPublicControllerBase()
 	{
 		LocalizationResource = typeof(CmsKitResource);
+		ObjectMapperContext = typeof(CmsKitPublicWebModule);
 	}
 }

modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/Public/CmsKit/Pages/Index.cshtml.cs

@@ -20,6 +20,8 @@ public class IndexModel : CommonPageModel
 
     public IndexModel(IPagePublicAppService pagePublicAppService, ContentParser contentParser)
     {
+        ObjectMapperContext = typeof(CmsKitPublicWebModule);
+
         PagePublicAppService = pagePublicAppService;
         ContentParser = contentParser;
     }