[REQUEST] Don't mark hidden facts as hidden if they have a "style hack" link

[paulwarren-wk]

What should we change and why?

Currently all hidden facts are prominently labelled as "hidden". Some hidden facts are linked to HTML elements with -ix-sec-hidden or -ix-esef-hidden style properties, and the viewer shows this association, but still labels the facts as "hidden".

This is causing some confusion, as some are interpreting this as implying poor tagging, even though it's the recommended approach in some situations (e.g. extensible enumerations).

We should remove the "hidden" label for such facts, and replace it with a more subtle indication that they're using the "style hack" mechanism. We could perhaps add something to all facts showing the transform being used.