white space after md magic-move backticks causes error #2357
Description
when there is a space char after the four backticks of md magic-move and that is not the end of the slide you get wired "code" rendered:
Removing the space char fixes the issue:
slide content for reproduction:
---
# magic-move issue repro
````md magic-move
```tsx
import { useState } from 'react';
```
```tsx
import { useState } from 'react';
import router from 'next/router';
```
````
any further content
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some speaker node
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Environment
- Slidev version: 52.8.0 (latest)
- Browser: Chrome latest
- OS: Windows