Switch to wysiwyg mode change markdown syntax to html tag

[kdby-io]

Describe the bug

hello **world**. hello *world*.

WIth above text in markdown mode, when I switch mode to wysiwyg and turn back to markdown, the text change to

hello <strong>world</strong>. hello <em>world</em>.

To Reproduce

Steps to reproduce the behavior:

1. make bold or italic syntax on markdown mode
2. switch mode to wysiwyg
3. turn back to markdown mode
4. see the content changed

Expected behavior

Switching mode does not affect to the content.

Desktop (please complete the following information):

• OS: Windows 11
• Browser: chrome 104.0.5112.102
• "@toast-ui/react-editor": "^3.2.0"

[MoritzGiessmann]

Does this still persist?