Typing Korean on Stickers works too slow

1. Describe the bug/issue you’re running into?
In Figjam board, when I try to type Korean on ‘Stickers’, It works really slow.

2. Are you able to consistently reproduce it? If so what are the steps?
Just type Korean on Stickers.

3. Share a screenshot, recording, console log, link to the file, etc.
Srry

4. Is the issue only happening in desktop app or a specific browser , or both?
It happens both of them.

5. What OS/version and/or browser/version are you using?
macOS 11.2 Big Sur / Chrome 90.0.4430.85