Improve JSX/TSX support in code editor

[silverwind]

Two tweaks to Monaco to improve JSX/TSX support.

1. Certain language features like JSX/TSX only work when passing uri (containing the filename), do this.
2. Set the jsx compiler option to avoid error annotations

Before:

After:

[wxiaoguang]

Haven't tested, does the "change filename" still work?

For example: "New File" -> input "a.c" as filename (highlight as C) -> change file name to "a.md" (highlight as MD and provide preview)

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Tested, works

[silverwind]

Yes, language change on filename change still works. Ideally we would also update model uri on filename change, but I left that out for now because it likely requires to create new models which may have unintended side effects.