[App Files] Owner can't modify rights of a public reshared link done by other user

Reproduction
Reproducible ?
• Yes.
• No.

Regularity ?
• Always.
• Sometimes.
• Unable to reproduce.

Regression ?
• Yes.
• No.
• New Feature.

Steps to reproduce ?
<!-- If the problem is reproducible, even sometimes, please add reproduce steps bellow this comment.-->
1. Go to web app via a main account (for the test: admin)
2. Go to app files
3. Do a collab sharing on a file/folder
4. Connect on the shared user on web app
5. Do a public share on the shared file/folder
6. Try on main account to modify public shared link rights

Obtained results: App says that user can't change the rights



![Image](



Environment and versions
<!-- Please complete following tables and checklist with your environment information-->
| Client Environment | VM Environment |
| ------------------- | --------------- |
| 26.0.4.3 | |

Browser used:
• Chrome Windows
• Firefox Windows