If no-one comes up with answer I'd raise this as a support issue as it sounds like a bug to me
Hopefully there's a window that's go the field settings somewhere?
I can confirm this is a not a designable window so you won't be able to modify it unfortunately. My only suggestion would be to tweak your query naming convention. I counted here and I could see around 35 characters of each query listed so in most cases it shouldn't be too hard to find what you're looking for.