Folder Portal icons stay highlighted after mouse-over
Hello,
I want to use folder portals as it's the easiest way to manage the icons displayed in fences company-wide. However when I roll my mouse over the contents of a folder portal, it highlights them and they stay highlighted. When I collapse the portal and reopen it they're no longer highlighted. I installed fences in order to create a nice, clean desktop environment so I'd like this resolved if possible. This issue doesn't happen with standard fences, only folder portals.

As you can see in the screenshot above, all folders remain highlighted as if my mouse was still over the top of them, even though my mouse isn't in the folder portal anymore.
I have tried purging/reinstalling, restarting the PC.
Operating system: Windows Server 2016
Thanks!