fix(editor): Fix pin data button disappearing after reload

[MiloradFilipovic]

Summary

• Disabling pin data button when data is pinned:

https://github.com/user-attachments/assets/ede9ba5a-94f3-45fc-9c42-a9bc449ecfb8

• Preventing the button from disappearing when page is reloaded:

https://github.com/user-attachments/assets/11645794-c7a6-4d64-aa6d-2ca315c102f6

Related Linear tickets, Github issues, and Community forum posts

Fixes ADO-2636

Review / Merge checklist

• [ ] PR title and summary are descriptive. (conventions)
• [ ] Docs updated or follow-up ticket created.
• [ ] Tests included.
• [ ] PR Labeled with release/backport (if the PR is an urgent fix that needs to be backported)