assistant2: Add link styles for thread messages (#22560)

<img width="700" alt="Screenshot 2025-01-02 at 1 52 30 AM"
src="https://github.com/user-attachments/assets/8d2308c8-cdea-421f-b9ff-7893479dba3c"
/>


Release Notes:

- N/A

Danilo Leal committed 1y ago

28d1d2d939707301d6a5261612f404ebed691d19

Parent: 44af405

Committed by GitHub <noreply@github.com> on 1/2/2025, 5:09:33 AM