I was about to post as well that this was a bug. If it's not a bug its counterintuitive to all of space sim have played such as KSP and JUNO. I typically switch to map view during a burn if I raise or lowering orbit and want to watch the trajectory lines.
I just had the game crash on me after lowering periapsis around luna sped up time while in map view and game crashed. While I was enroute to luna I noticed also that setting a new maneuver node that the burn window never updated info on actually doing the burn or gave me the option to set to...