when frontformatter include lastupdated, the first line cant input chinese

[cpupg]

• Searched existing issues to avoid creating duplicates.

• Confirmed that it can be reproduced in built-in themes without customized css.

  If it only exists in 3rd party themes or css, you can still report it, but please attach the theme target or the css file. We may not "fix" it, if it is caused by 3rd party themes or css styles that we cannot support.

• Searched http://support.typora.io/

---

Describe the bug
A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior

1. Create an empty file.
2. Open the file with typora.
3. typora will automatically recognize frontformatter by typing -- at the beginning.
4. Enter lastUpdated.
5. Move the cursor to the first line of the body (below frontformatter).
6. Enter Chinese using Microsoft Pinyin.
7. You can only type the first letter of Chinese Pinyin, then the cursor disappears and the keyboard input is invalid (only in typora），but if u first input an ansii character and then you can input chinese.

Expected behavior
you can input normally.

Screenshots / Screencasts

default.mp4

Sample Markdown File
Please attach or send us hi@typora.io the sample md file that may reproduce this.

Desktop (please complete the following information):

• os: win11。

Typora Version
1.8.10

Additional context
Add any other context about the problem here.

when i found this bug, i try it in windows sandbox and reproduce succsessfully.

[cpupg]

typora in the sandbox is the latest version of the installation package under the official website.