Keep public links created in shared folders valid after the creator account is disabled or deleted

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alternative title: "all public links of a shared Folder should belong to the owner of the shared folder."

Is your feature request related to a problem? Please describe.

When we Work togheter we have have shared folders for that.
Because ppl that work on Project change we use a Central dummy User to "own" the Root Shares.
Whenever a User that worked on something for sometime gets deactivated all the Public links he made break.
therefore thirdparties that still need to download stuff cannot anymore do that. ( Or automations based on these Links break)

Describe the solution you'd like

I would like that Sharing links that are Created WITHIN a Shared folder. "belong" to the Owner of the shared Folder. So they are still accessible when the User who created it is gone/deactivated

Describe alternatives you've considered

Behaviour in Group Folders is unfortunately the same.
https://github.com/nextcloud/groupfolders/issues/4248

Additional context

Start by locating the server code that creates and resolves public links within shared folders, then inspect any related sharing tests. Define how link ownership should follow the shared-folder owner when the creator is disabled or deleted, and verify that existing links remain accessible without changing links outside shared folders.