This is a Macintosh question, not an InDesign question. InDesign has absolutely nothing to do with your Finder window.
I'd suggest asking this question in the Apple forums.
I agree this is an In Design forum, and I believe if you look at all the posts I've made in the past, I have always kept strictly In Design.
However, I was hoping for a bit of help in this instance, if possible.
I have posted on the Mac forum and absolutely nobody has responded: