Feature
Allow option to have 3rd (or 4th column for widescreen) on the control Mapper screen, and include a search option that filters the visable roles/outputs
To make checking that mapping is setup easier as currently only the first 36 buttons are visible on screen
Describe the solution you'd like
A view with 3 columns (standard 2560x1440 screen, or 4 on widescreens)

With search filtering
Describe alternatives you've considered
Have the control mapper trigger overlay auto add more columns when dragged wider, and be allowed scaled down/up in general size. Allowing the simhub UI to scale below 100% could also help in settings - currently can only go larger.
Additional context
Some what related to #2177 for Control Mapper usability, as I've added things that are no longer in logical order and this would allow be find in the lists.