markdown: Ignore html comments (#28318)

Closes #28300

| Before | After |
| ------ | ----- |
|
![Screenshot_20250408_073355](https://github.com/user-attachments/assets/50dcb56d-bc70-4329-94cb-5b848f265c97)
|
![Screenshot_20250408_073322](https://github.com/user-attachments/assets/ba5c519a-bb34-4724-9c14-3278c6c09afd)
|

Release Notes:

- N/A
6e9f8f997eFernando Tagawa committed on 5/6/2025, 11:55:07 AM· committed by GitHubparentdaba603
2 files changedLine totals unavailable