Nest hidden messages in collapsed submenu

[Saklad5]

Most messages are hidden purely because FBG considers them a distracting implementation detail. In the spirit of respecting when they choose to do so, I feel this extension would be improved by putting hidden messages in a collapsible HTML list, like so:

By defaulting to closed, users can tell hidden qualities are there without being overwhelmed by them, which hews closer to FBG's intentions.