[TIMOB-11030] iOS: Applying background color constants or "stripped" color to modal window results in the modal window being black

var win = Ti.UI.createWindow({
    backgroundColor: '#ccc'
});
	
	var btn = Ti.UI.createButton({
		    width: Ti.UI.SIZE,
		    height: Ti.UI.SIZE,
		    title: 'Click me!'
		});
		 
		win.add(btn);
		  
		btn.addEventListener('click', function(e) {
		    var w = Ti.UI.createWindow({
		        backgroundColor : 'stripped'
		});
		 
		    var scrollView = Ti.UI.createScrollView({
		        contentHeight: 1000,
		        width: Ti.UI.FILL,
		        height: Ti.UI.FILL
		    });
		 
		    var label = Ti.UI.createLabel({
		        text : 'Scroll Down',
		        height : Ti.UI.SIZE,
		        width : Ti.UI.FILL,
		        textAlign : 'center',
		        top: 10
		    });
		 
		    var textArea = Ti.UI.createTextArea({
		        left:10,
		        right:10,
		        bottom: 150,
		        height: 100,
		    });
		    var Close = Titanium.UI.createButton({
		        title : 'Close',
		        width: Ti.UI.SIZE,
		        height: Ti.UI.SIZE,
		        bottom: 50
		    });
		 
		 
		    scrollView.add(label);
		    scrollView.add(textArea);
		    scrollView.add(Close);
		 	
			Close.addEventListener('click',function(){
				w.close();
			})
			
		    textArea.addEventListener('return', function() {
		        textArea.blur();
		    });
		
		     
		    w.add(scrollView);
		    w.orientationModes = [
		    Titanium.UI.PORTRAIT,
		    Titanium.UI.LANDSCAPE_LEFT,
		    Titanium.UI.LANDSCAPE_RIGHT
		];
		    w.open({modal : true});
		 
		});

win.open();