Deportation not relevant. Your case will be heard by a Magistrate. As you already have a lawyer they will be in the best position to advise you.
I will most definately discuss with my lawyer. However I find it surprising that you and the initial responder believe that deportation is not relevant.
According to the national judicial college of Australia, while some states do not consider deportation a relevant sentencing factor, Victoria is one of 2/3 states that do.
“
2.2 Jurisdictions where deportation held to be a relevant sentencing factor
2.2.1 Victoria
In Victoria, courts have held that the offender’s prospects of deportation is a relevant sentencing factor.
“
Again, I could be wrong in what I have researched.