Instead of 1 readability problem, like 4 more copies of the exact same readability problem are being created while using: https://writewithharper.com/editor

**Describe the bug**
Instead of 1 readability problem, like 4 more copies of the exact same readability problem are being created while using: https://writewithharper.com/editor

**To Reproduce**
Steps to reproduce the behavior:
1. https://writewithharper.com/editor
2. Paste text that show even one readability problem (Like: https://github.com/xHope-tech/smoldot/tree/Ranger)
3. Scroll down until encountering the readability problems.
4. See error.

**Expected behavior**
Only one readability problem.

**Screenshots**
If applicable, add screenshots to help explain your problem.

**Platform**
Firefox.

**Additional context**
Add any other context about the problem here.

Reproduce the issue in Firefox at https://writewithharper.com/editor using text with a readability problem, such as the linked example. Check how the editor displays the readability problems and compare the reported instances with the text. Done means each readability problem appears only once.

Written by the indexing model from the issue text.