double slash comment inside @forward gets converted to block comment

[jdufresne]

config:

{
  "extends": [
    "stylelint-config-standard-scss"
  ]
}

input:

@forward "module" with (
  $var1: 1,
  // comment
  $var2: 2
}

command:

npx stylelint --fix test.scss

output:

@forward "module" with (
  $var1: 1,
  /* comment*/
  $var2: 2
}

Expected:

Comment remains double slash