Workspace ... scrollbar area is totally invisible

<!-- Do you have a question? Please ask it on https://stackoverflow.com/questions/tagged/vscode. --> <!-- Use Help > Report Issue to prefill these. --> - VSCode Version: 1.21.0-ins - OS Version: win7x64 How about to make scrollbar area a little bit visible? Cause you don't even see where to click, when you want to scroll some hundreds of folders instantly. For now it's totally invisible: