[Bug]: Moving shared subfolder by sharee, removes access for owner

⚠️ This issue respects the following points: ⚠️

• This is a bug, not a question or a configuration/webserver/proxy issue.
• This issue is not already reported on Github OR Nextcloud Community Forum (I've searched it).
• Nextcloud Server is up to date. See Maintenance and Release Schedule for supported versions.
• I agree to follow Nextcloud's Code of Conduct.

Bug description

When a user moves a shared subfolder, the owner looses access to that subfolder

Steps to reproduce

1. Bob creates folder "Shared_folder"
2. Bob creates subfolder "Shared_folder/Subfolder"
3. Bob shares folder with Alice
4. Alice Moves Subfolder to another directory
5. Bob can't find Subfolder anymore

Expected behavior

Bob can still see and access "Subfolder"

Installation method

Community Docker image

Nextcloud Server version

27

Operating system

None

PHP engine version

None

Web server

None

Database engine version

None

Is this bug present after an update or on a fresh install?

None

Are you using the Nextcloud Server Encryption module?

None

What user-backends are you using?

• Default user-backend (database)
• LDAP/ Active Directory
• SSO - SAML
• Other

Configuration report

No response

List of activated Apps

No response

Nextcloud Signing status

No response

Nextcloud Logs

No response

Additional info

No response

The issue names no files or tests. Reproduce the listed shared-folder move steps on Nextcloud Server 27, then trace the share and move permission handling; done means the owner can still see and access the moved Subfolder after Alice moves it.