fix previously introduced bug preventing addCondition on expressions
fix previously introduced bug preventing addCondition on expressions

svisystem/atk4,samratcis/atk4,xepan/atk4,svisystem/atk4,atk4/atk4,atk4/atk4,samratcis/atk4,xepan/atk4,atk4/atk4,atk4/atk4,xepan/atk4,samratcis/atk4,svisystem/atk4