[TIMOB-20059] iOS: 'person' property in Ti.Contacts.showContacts is empty

Issue Description

On iOS, the callback event for both 'selectedProperty' and 'selectedPerson' of Ti.Contacts.showContacts has an empty value for the "person" property. When selecting a person from the contacts list, The expected behavior is to see an object attached to the person property that get the name of the contact (e.g., e.person.name). The callback event for 'selectedProperty' returns:

{"value":"052255","property":"phone","label":"home","type":"selectedProperty","source":{},"person":{}} 

Steps to replicate

-Create a new titanium alloy project -Open the app folder -Replace the index.xml file inside views folder and the index.js file inside controllers -Build and run -Click open -Select a contact

Test Case

Index.xml

<Alloy>
		<Window id="nav" backgroundColor="#fff">
			<Button onClick="open">Open</Button>
		</Window>
</Alloy>

Index.js

$.nav.open(); 

function open(){
	Ti.Contacts.showContacts({
		selectedProperty: function(e){
			alert(JSON.stringify(e));
		}
	});
}