External storage support with windows server 2022 showing not all files / folders

Describe the bug

I'm using Ubuntu 22.04 / ownCloud 10.13.4 (stable) in a docker container and mysql 8 in a docker container with enabled external smb storage.
The external storage became green after configuration, but when I login as the user itself in the user space, it shows only the root file share but not all sub files/folders! This happens for some user, but one user has some subfolders but not everthing is showing up.

I tried so far:

• smbclient from inside the owncloud docker container is fine, everything is browseable and like it should be.
• I have updated the docker container with apt-get and tried to update smbclient/php.
• I have disabled all unneeded apps like sharing, federation etc.
• Enabled "Windows Network Drive" Enterprise Feature is working, but it's not desired!!!

My Docker config
docker run --name owncloud --network="intern" --restart=always
-e OWNCLOUD_ADMIN_USERNAME=root
-e OWNCLOUD_ADMIN_PASSWORD=xxx
-e OWNCLOUD_DB_TYPE=mysql
-e OWNCLOUD_DB_NAME=owncloud_db
-e OWNCLOUD_DB_USERNAME=owncloud
-e OWNCLOUD_DB_PASSWORD=xxx
-e OWNCLOUD_DB_HOST=mysql
-e OWNCLOUD_SUB_URL=/owncloud
-e OWNCLOUD_TRUSTED_DOMAINS="xxx"
-d -p 8082:8080 owncloud/server

docker run --name mysql --network="intern" --restart=always -e MYSQL_ROOT_PASSWORD=xxx -v bind-address=0.0.0.0 -d -p 3306:3306 -p 33060:33060 mysql:latest

No source file or test is named. Start by reproducing the missing subfiles and folders with the reported ownCloud, Docker, MySQL, and Windows Server 2022 setup, comparing affected users and SMB client results; done means all expected folders appear without enabling the Windows Network Drive Enterprise Feature.