[Bug]: Anchor # for titles in <Steps> overlaps with the sequence number

[i-richardwang]

Version

System:
OS: macOS 15.0.1
CPU: (10) arm64 Apple M1 Pro
Memory: 213.81 MB / 16.00 GB
Shell: 3.2.57 - /bin/bash
Browsers:
Chrome: 130.0.6723.58
npmPackages:
rspress: ^1.34.1 => 1.34.1

Details

Anchor # for titles in overlaps with the sequence number

Reproduce link

None

Reproduce Steps

import { Steps } from '@theme';

<Steps>

### Title1

1. node1
2. node2
3. node3

</Steps>

[Timeless0911]

Seems can not be reproduced in website https://rspress.dev/guide/default-theme/components#steps

[JounQin]

Seems can not be reproduced in website rspress.dev/guide/default-theme/components#steps

https://codesandbox.io/p/devbox/ecstatic-curie-nvw927?file=%2Fdocs%2Fhello.mdx%3A6%2C13

This can be reproduced very easily.

[Timeless0911]

Rspress set markdown.mdxRs: true by default and mdx-rs will not add header anchor for headings in components which may be not aligned with mdxjs.