Undo puts cursor in wrong position

Testing #326540

- Use the markdown

```
## Task Lists
```

- Put the cursor after s and remove the last letter
- Press undo+z, this restores the s, but the cursor remains after the t, not after the s

https://github.com/user-attachments/assets/b9c864b1-741c-4494-ac97-9594da5e8eb6