File delete hooks on user deletion hook

File delete hooks on user deletion hook: Nextcloud have (pre|post)Delete hooks for both files and users. However, when user is deleted, all its files are gone too, but apps do not receive file delete hook, just user delete hooks. If app is dealing with user's files and keeping them internally and need to delete internal records when file is removed (basically - any app that subscribes to postDelete file hook) will end up with rows that cannot be cleaned up once user is deleted. Impact is that internal state (database) is getting bigger, and app developer need to hook into...