Hide Collection, Categories, and Places Headers in Browser Sidebar when compacted

[jonljacobi]

As it stands, when you compact the browser sidebar everything turns into an icon except the headers "Collections", "Categories", and "Places". These morph into the abbreviated "C.", "C.", and "Pl.". As two are ambiguous anyway, and there's no way to access the edit visibility function, why not just eliminate the headers for a cleaner look. Other than possibly the "Pl.", they're not of much use anyway, either for learning or recognition.

Yes, another small thing, but...