Shiki highlighter multiple instances errors

[Karl-Wu]

Describe the bug
There are many error message on Develop Console:
[Shiki] 2200 instances have been created. Shiki is supposed to be used as a singleton, consider refactoring your code to cache your highlighter instance; Or call highlighter.dispose() to release unused instances.

It slow down the response alot.

To Reproduce

1. Create Multiple editor instance with code block. Just like :

Misc

• Node version:
• Package manager:
• Browser:
• I'm a sponsor and would appreciate if you could look into this sooner than later 💖

[YousefED]

@areknawo could you look into this?