[Update] Demo v0.22

We have updated version 0.22 with various bug fixes.

[h3]Bugs[/h3]

• Fixed an issue where objects were not removed when pressing the delete key after clicking them.
  
• Partially fixed the issue where guests occasionally get lost.
  

[h3]Languages[/h3]

• Fixed some text in Japanese, Simplified Chinese, and Traditional Chinese.
  

Thank you!