Tables with large images cause overflow in issue templates

[bartvdbraak]

Description

1. Create an issue using an issue template, e.g. https://demo.gitea.com/bartvdbraak/blender/issues/new?template=.gitea%2fissue_template%2ftodo.yaml
2. Embed an tables with large images in their cells, e.g.

|   |   |   |   |   |
|---|---|---|---|---|
| ![image.png](https://upload.wikimedia.org/wikipedia/commons/thumb/3/3c/Logo_Blender.svg/2560px-Logo_Blender.svg.png)  |   |   |   | ![image.png](https://upload.wikimedia.org/wikipedia/commons/thumb/3/3c/Logo_Blender.svg/2560px-Logo_Blender.svg.png)  |

3. Look at preview overflowing

Screenshots

Gitea Version

Version: 1.23.0+dev-339-gb4ccef3dee

Can you reproduce the bug on the Gitea demo site?

Yes

Operating System

Linux

Browser Version

Firefox 127.0 (64-bit)

[silverwind]

Could someone post a reproduction to https://demo.gitea.com/?

Nevermind, I see it only affects the preview.