Unit missing for CalcCounter
When defining a CalcCounterController, defining the unit keyword for an output has no effects.
There is a parameter in the init function of CalcCounter: https://gitlab.esrf.fr/bliss/bliss/-/blob/master/bliss/common/counter.py?ref_type=heads#L364
But this parameter is not used when instanciating the counter: https://gitlab.esrf.fr/bliss/bliss/-/blob/master/bliss/controllers/counter.py?ref_type=heads#L306