Default Tray - Double headed Arrow in SU2024

What’s with the ANNOYING double headed arrow in the default trays!!!?

Can you get rid it please? Or is there a way of changing it?

Thanks

Fix it!..must be a little bug somewhere. I undocked the default tray and it works as normal. Redocked the tray and still good! So if anyone else has this happen just undock & redock.