BHV-12037: Fix wrong initial value of SimpleIntegerPicker

Data bindings are passing sync direction as a second parameter of transform.

It was string previously but now it is  integer value which can be referenced by enyo.Binding.DIRTY_FROM/DIRTY_TO constants.

DCO-1.1-Signed-Off-By: Kunmyon Choi kunmyon.choi@lge.com