[TIMOB-12308] iOS - Ability to block orientation on email dialog.

<iphone>
        <orientations device="iphone">
            <orientation>Ti.UI.PORTRAIT</orientation>
        </orientations>
</iphone>

var win = Ti.UI.createWindow({
	height: Ti.UI.FILL,
	width: Ti.UI.FILL,
	backgroundColor: "#FFF"
});

var button = Ti.UI.createButton({
	width: 200,
	height: 60,
	title: "Open Email Dialog"
});

button.addEventListener('singletap', function(evt){
	Ti.UI.createEmailDialog().open();
});

win.add(button);

win.open();