[TIMOB-23338] Windows: Ti.UI.Button - Color property sets background color instead of text color

<Alloy>
	<Window class="container">
		<Button id="btn" onClick="doClick">Button 1</Button>
		<Button id="btn2" onClick="doClick2">Button 2</Button>
	</Window>
</Alloy>

".container": {
	backgroundColor:"white",
	layout: 'vertical'
}

"#btn": {
	width: Ti.UI.SIZE,
	backgroundColor: "blue",
	color: "red"
}

"#btn2": {
	width: Ti.UI.SIZE,
	backgroundColor: "blue",
}

function doClick(e) {
    $.btn.color = "blue";
}

function doClick2(e) {
    $.btn2.color = "yellow";
}

$.index.open();