I am not going to bet, because I have only checked in depth one 120 hp software version, but for that one I assure you the sport mode / over boost maps do not do anything unless changed and activated in the software. Pedal maps are identical, torque lines too. So you can switch on the sport mode with
MES all you want, or with power steering button mode, there will be no effect. And I know this, because I actually went through the process and tuned my 120 hp ECU for power steering button controlled overboost