The former law clerk who allegedly masqueraded as a judge will now face a write-in challenge from a sitting Cook County judge who lost her primary in March.The Chicago Board of Election Commissioners today added Circuit Judge Maryam Ahmad as a write-in candidate for the Hopkins vacancy, the same 1st Judicial Subcircuit seat Rhonda Crawford is seeking.Crawford was fired by the Cook County Circuit Court on Aug. 30 after the chief judge’s office said she donned Circuit Judge Valarie E. Turner’s robes and …