[Feature Request]:  the table header can float fixedly at the top

### Description

If there are many rows in the table in the document, it is hoped that when scrolling up and down, the table header can float fixedly at the top so that it can be clearly known what the title of each column is.

### Use case

_No response_

### Anything else?

_No response_

### Are you willing to submit a PR?

- [ ] Yes I'd like to help by submitting a PR!