Release Notes:

- Fixed auto size rendering of SVG images in Markdown.

## Before

<img width="836" height="844" alt="image"
src="https://github.com/user-attachments/assets/0782e17e-620f-4c29-a5bc-a2ffe877d220"
/>
<img width="691" height="678" alt="image"
src="https://github.com/user-attachments/assets/dbe2dd5f-fd5b-48f9-bd09-0ee35e116aec"
/>


## After

<img width="873" height="1015" alt="image"
src="https://github.com/user-attachments/assets/59cbb69f-6a81-43cb-989f-3bcea873d81e"
/>
<img width="647" height="598" alt="image"
src="https://github.com/user-attachments/assets/11b67d8e-2b6c-4245-ad13-d4616fdabf22"
/>

For GPUI example

```
cargo run -p gpui --example image
```

<img width="1212" height="740" alt="SCR-20250821-ojoy"
src="https://github.com/user-attachments/assets/62bb2847-c533-4c4d-b5f7-c9764796262a"
/>