fix(ios): report formata s constant value in event fired
fix(ios): report formata s constant value in event fired

appcelerator-archive/ti.barcode,appcelerator-archive/ti.barcode,appcelerator-archive/ti.barcode,appcelerator-archive/ti.barcode,appcelerator-archive/ti.barcode,appcelerator-archive/ti.barcode,appcelerator-archive/ti.barcode