Formatter eats comments on the first argument of a function about rescript-compiler HOT 4 CLOSED

I can work on this, I wonder if it's a regression after my PR here #6615

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This appears to be a regression since 11.0.0

from rescript-compiler.

Also happens for non-labeled arguments. But only for the first argument of the function.

E.g.,

  external test: (
    // comment
    int,
    // comment
    int,
  ) => unit = "test"

gets reformatted to

external test: (
  int,
  // comment
  int,
) => unit = "test"

from rescript-compiler.

@shulhi That would be great, thanks a lot!

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