Allow users to disable the drill down to AE tables when reviewing interactive baseline characteristic table

Users can disable the AE tables for their selected subgroups. 
This is similar to what we have in the interactive HR forest plot, with drill-down to KM curves.

<img width="1019" height="937" alt="Image" src="https://github.com/user-attachments/assets/6aa780b6-acac-4b95-a498-9945b0ee9417" />