Images do not render when summarizing an issue.

> Images do not render:
> 
> ![Image](https://github.com/user-attachments/assets/8c1e23bb-7b85-40cc-93a4-a8d7093ac293)
>  

 _Originally posted by @joyceerhl in [#6339](https://github.com/microsoft/vscode-pull-request-github/issues/6339#issuecomment-2515873364)_