Fix eagerly executed task in CustomSettingService (#15942)

src/OrchardCore.Modules/OrchardCore.CustomSettings/Services/CustomSettingsService.cs

@@ -33,7 +33,7 @@ public class CustomSettingsService
             _httpContextAccessor = httpContextAccessor;
             _authorizationService = authorizationService;
             _contentDefinitionManager = contentDefinitionManager;
-            _settingsTypes = new Lazy<Task<IDictionary<string, ContentTypeDefinition>>>(GetContentTypeAsync());
+            _settingsTypes = new Lazy<Task<IDictionary<string, ContentTypeDefinition>>>(GetContentTypeAsync);
         }
 
         public async Task<IEnumerable<string>> GetAllSettingsTypeNamesAsync()