[AC-5326] [iOS - Critical] Set slider's value doesn't work with run-on-main-thread set to false

*TEST CODE*

var win = Ti.UI.createWindow({
	backgroundColor : "white"
});

var button = Ti.UI.createButton({
	title : "Set value",
	top : 50
});

var slider = Ti.UI.createSlider({
	width : Ti.UI.FILL,
	left : 20,
	right : 20,
	top : 100,
	value : 0,
	min : 0,
	max : 100
});

button.addEventListener("click", function(e){
	slider.setValue(Math.floor(Math.random() * 100) + 1);
});

win.add(button,slider);
win.open();

*EXPECTED RESULT:* The button's event should change the slider's value *ACTUAL RESULT* The button's event change the slider's value *only* when the property *run-on-main-thread* is set to *true*. This obviously is a serious problem considering that this option set to true creates thousands of problems. *INFO* With SDK *6.1.2.GA* there are no problems. With SDK *6.2.0*,*6.2.1* and *6.2.2.GA* there is this problem.