Add a link to the search page when clicking on a keyword

Keywords should link to the global search page with a query parameter `q=keyword:"<keyword_value>"`.

Mind that we have a specific visualization for whenever users can edit/remove keywords. We don't want a link to be added in that case.

<img width="814" height="570" alt="Image" src="https://github.com/user-attachments/assets/cfa917c3-309a-4caf-8f8f-a38ddbf30697" />