[PB-5462] Version History UI (panel + menu entry)

[terrerox]

Description

Add version history sidebar with UI for viewing, restoring, and deleting file versions. Includes state management in UI slice, integration with drive explorer context menus, and mock data structure for version display.

Related Issues

Related Pull Requests

Checklist

• [x] Changes have been tested locally.
• [ ] Unit tests have been written or updated as necessary.
• [x] The code adheres to the repository's coding standards.
• [ ] Relevant documentation has been added or updated.
• [x] No new warnings or errors have been introduced.
• [ ] SonarCloud issues have been reviewed and addressed.
• [ ] QA Passed

Testing Process

Additional Notes