Content of footnote is rendered in TOC

[Kira Sokolova]

Describe the bug
Footnote's content is rendered in TOC

To Reproduce

# test

## Test[^1]

[^1]: some content

## Test[^2]

[^2]: [emanote](https://github.com/srid/emanote)

Expected behavior
TOC entry without footnote's content

Screenshots

Desktop (please complete the following information):

• Browser Firefox
• Version 124.0.2

[Sridhar Ratnakumar]

Related: #529