Thank you for providing many of the requested answers, Erik. Much appreciated.
@RobJames Those circles are simply visual indicators representing the cabinets. They help fill the space and their colors denote which of the three cabinets is currently active when unlinking amps and cabs.
I opted not to use the Gojira Preset function due to a slight delay when changing presets through the plugin, which results in noticeable audio cuts. In my experience, saving parameters within Gig Performer Rackspace variations offers a faster and smoother transition.