Message styling does not work for `Creation` messages and self messages

[Peng Xiao]

//[red] It works fine
A.m() {
  //[red] Alt works fine
  if(x) {
    //[red] `selfMessage` should be *red*
    selfMessage
    //[red] `Creation` message and comment are not styled
    new B
  }
}

[Peng Xiao]

Fixed