HCL autoformat doesn't allow commenting hash values of a list

[joshuaspence]

I have some HCL (specifically, Terraform code) which looks something like this:

variable "test" {
  default = [
    # This is a comment for this list element.
    {
      key = "value"
    },
  ]
}

Running terraform fmt changes the formatting of this code to this:

variable "test" {
  default = [
    {
      # This is a comment for this list element.
      key = "value"
    },
  ]
}

This doesn't seem desirable to me because the comment is meant to refer to the entire hash element.