[Bug]: FileSystem update and post_update signals do not dispatch events with IEventDispatcher

⚠️ This issue respects the following points: ⚠️ • This is a bug, not a question or a configuration/webserver/proxy issue. • This issue is not already reported on [Github]( OR [Nextcloud Community Forum]( _(I've searched it)_. • Nextcloud Server is up to date. See [Maintenance and Release Schedule]( for supported versions. • I agree to follow Nextcloud's [Code of Conduct]( Bug description Since version 18 is deprecated so I consider that it is a problem because in my case I am in version 31 and events like the ones I mention are still not migrated.: The signal_update / signal_post_update signals of FileSystem are not subscribed to by HookConnector: Places where they are issued: In my case the one that interests me the most is this one because there is no way to find out when a file has been updated through IEventDispatcher other than NodeWrittenEvent which occurs in many use cases not only when you update the file: Bonus: *these uses of…