Clear cached PublishedDataTypes when content types are updated (#15253)

* Clear cached PublishedDataTypes when content types are updated

* Optimize published data type cache initialization

src/Umbraco.PublishedCache.NuCache/PublishedSnapshotService.cs

@@ -189,6 +189,9 @@ internal class PublishedSnapshotService : IPublishedSnapshotService
             }
         }
 
+        // Ensure all published data types are updated
+        _publishedContentTypeFactory.NotifyDataTypeChanges();
+
         Notify<IContentType>(_contentStore, payloads, RefreshContentTypesLocked);
         Notify<IMediaType>(_mediaStore, payloads, RefreshMediaTypesLocked);