Fixes #28266

![Screenshot 2025-05-08 at 5 08
21 PM](https://github.com/user-attachments/assets/774d2dde-3f2d-466c-8eb1-c67badbd89e4)

Release Notes:

- Added support for rendering images with data URLs in markdown. This
can show up in hover documentation provided by language servers.

Co-authored-by: Mikayla Maki <mikayla.c.maki@gmail.com>