Steps

1. Create a group folder

2. Create a folder inside this group folder and apply a tag folder

3. Create an automated tagging rule

   • If file (or parent) is tagged with folder apply tag file

4. Upload a file in the tagged folder from 2.

5. Expect the file to be tagged with file, but it's not 💥

The problem is that
https://github.com/nextcloud/server/blob/738730f7b280884cc89c272bbab2a21caa8a24dd/apps/workflowengine/lib/Check/FileSystemTags.php#L156

Can not find the parents.
Due to the CacheJail, you end up with __groupfolders/1/__groupfolders/1/folder in https://github.com/nextcloud/server/blob/0487144b2679f83f9a6b59b55561af062f692836/lib/private/Files/Cache/Wrapper/CacheWrapper.php#L148