Add button to reset all filters

Users currently have to refresh the whole page, but it would be better/faster if there was a link to remove all filters.


- [x] Add `Verwijder alle filters` below all filters
- [x] Only show this link if filters are chosen

<img width="359" alt="Image" src="https://github.com/user-attachments/assets/44d31497-f665-4a8a-86d0-46c79d3ded21" />