Minor but imporant indicator request

[BobMCT]

I just installed and have started using Barrier. My primary desktop is Linux Mint 20.2 and my gaming PC is Windows 10. They share a common 32" monitor. I had two kbds and mice and only one desktop of room. So this utility seems to do the trick. The only problem I have is knowing which system is currently the active one. I see on both OSes there is an active icon on the notification area of the taskbar. I'm requesting that hopefully something than be placed there to indicate WHICH system is the active one. It could be a simple 1, 2, etc.
The reason is that as I switch back and forth using the hot keys I get locked up and can't figure out which session is the active one to allow me to trigger the appropriate hot keys.
I hope this was clear enough to realize what I'm suggesting.

Thank you