Choosing subfolder of groupfolder no media are shown

[wuesti]

Describe the bug
Having a group folder "shared" with media subfolder planes, trains and cars.

• Choose shared in media options as media folder all planes, trains and cars are shown.
• Choose shared/trains as media folder no picture is shown. ( Hier gibt es keine Fotos oder Videos )
• Choose a second folder like /shared/planes planes and trains are shown
• This also works if you choose folder like documents which is not a group folder.
• Choose only a subfolder of documents PHOTOS works correct.

To Reproduce

1. create a groupfolder
2. create three subfolders
3. put different pictures into the subfolders
4. in photos->options choose group folder and subfolder in different combinations

Expected behavior
The pictures of the chosen subfolder of group folder are shown

Desktop (please complete the following information):
It's not browser or system related.

Nextcloud system

{
    "apps": {
        "photos": {
            "enabled": "yes",
            "installed_version": "2.5.0",
            "lastPlaceMappedUser": "xxxxxx",
            "lastPlaceMappingDone": "true",
            "types": "dav,authentication"
        }
    }
}

• nextcloud 29.0.7snap1 44391 latest/stable
• Ubuntu 24.04.1 LTS