Restrict "Show Hidden Collections" to Admin Users

Summary Currently, any user can right-click in the collections list and reveal "hidden collections." This behavior may expose sensitive collections to users who should not have access to them. The ability to reveal hidden collections should be restricted to admin users only to ensure proper access control. Basic Example 1. A user with admin permissions right-clicks in the collections list. 2. The context menu shows the option "Show Hidden Collections." 3. A non-admin user right-clicks in the same area. 4. The "Show Hidden Collections" option is not displayed. Motivation • Improves security by preventing unauthorized users from accessing hidden collections. • Ensures permission-based behavior, making hidden collections truly restricted unless explicitly granted access. • Reduces accidental exposure of collections that should remain hidden from certain user roles. Detailed Design Modify the logic behind the right-click context …