Fix duplicate favorites bug

[maiertech]

Description of change

When changing the sort order, favorites are not filtered from the CredentialList:

Links to any relevant issues

This is a fix on a feature branch.

How the change has been tested

1. Load the Ferris profile in dev mode.
2. Navigate to "Me".
3. Favorite 2 credentials (don't use the dev mode back button to go back, use the navigation with arrow symbol).
4. Change the sort order.
5. Verify that in all 3 tabs you see favorites and non favorites separated.

Definition of Done checklist

Add an x to the boxes that are relevant to your changes.

• [x] I have followed the contribution guidelines for this project
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [ ] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes