Readme.md ignored when URL is "/files/folder/..."

[adam42a]

The Readme.md file is ignored and no content is shown for the folder. It depends on the used URI path for the folder:

the folder description is:

not shown at "https://../app/files/folders"

but shown at "https://../app/files/files"

To Reproduce
Steps to reproduce the behavior:

1. Use Folder Tree (file settings -> enable folder tree)
2. Navigate to a folder so that the URL starts https://../app/files/folders
3. Create a folder description file Readme.md with content to display

Expected behavior
Content of Readme.md should show at the top of the folder contents window

Actual behaviour
Nothing is shown

Server details

Nextcloud version: 31.0.10

Client details:

• OS: Linux Mint desktop on Firefox, Chrome
• OS: Android on Firefox

Not same as #7754 or #7088