With the advent of the new State Machine, there is opportunity in the *Configuring* state for a player to select his team by pressing the *Accessory* button. The Mobile App or IR remote can also be used, as before.

I also consolidated some duplicated code into `Set_Team_With_Audio_Feedback()`.
Co-authored-by: Joe Kearney <joe@clubk.club>
Reviewed-on: #1