I had to revert https://github.com/KittyCAD/modeling-app/pull/4031 because it broke syntax highlighting. This is the same PR, but updated to fix syntax highlighting.
Highlighting broke because the KCL LSP could not determine how to autocomplete the `map` function. The first argument of `map` is `[KclValue]` and the LSP doesn't know any good suggestions for "any KCL value", so it error'd out. I am using the value `[0..9]` for this case now. Tested that syntax highlighting works again.