[TIMOB-23305] Windows: Ti.UI.Label width is not updated when setting new text

<Alloy>
	<Window class="container">
		<Label id="label" top="0" onClick="doClick">THIS IS A SHORT LABEL</Label>
	</Window>
</Alloy>

".container": {
	backgroundColor:"white"
}

"#label": {
	width: Ti.UI.SIZE,
	color: "#000"
}

function doClick(e) {
    $.label.text = "THIS IS A LONGER LABEL!!!!!!!"
}
$.index.open();