message: Screen: Fixes some debug stringification wrt CharacterStyleMask. Thanks
diff: @@ -49,6 +49,7 @@ string to_string(CharacterStyleMask _mask)
  if (_mask & CharacterStyleMask::Faint)
  append("faint");
  if (_mask & CharacterStyleMask::Italic)
  + append("italic");
  if (_mask & CharacterStyleMask::Underline)
  append("underline");
  if (_mask & CharacterStyleMask::Blinking)
  