From game files: add "gain Potency Up for 1 turn at the beginning of each encounter" Jedi allies have +25 Speed and gain Potency Up for 1 turn at the beginning of each encounter.
So there is an issue here. When lead kicks in it gives Baze tm because they all get fs when after battle starts they don't start with fs however cassian unique, which reads same way "gains buffs, does not trigger Baze unique for TM because they all start with the buffs.