Amusingly enough, there is already an internal way of doing this. There is an internal private action that can be added to the front of a macro and the status menu wont animate if that action exists as the first macro. There just isn't any way to actually add this action.
I've attached the action, but I make no promises as to it working for any specific purpose, but since I probably wont implement this feature request, using it is probably your only option to accomplish this.
hkDontRotateStatusMenu.kmactions (365 B)
