[TIMOB-11707] scrollableView height property set to Ti.UI.SIZE causes view to not display at all

var win = Ti.UI.createWindow({
    title:'ScrollableView'
});
 
var scrollView = Ti.UI.createScrollView({
    top:0,
    left:0,
    backgroundColor:'#f1f1f1',
    width:Ti.UI.FILL,
    height:Ti.UI.FILL,
    contentWidth:'auto',
    contentHeight:'auto',
    showVerticalScrollIndicator: true,
    showHorizontalScrollIndicator: false,
    layout:'vertical'
});
 
var lab = Ti.UI.createLabel({
    color:'#2a2a2a',
    height:44,
    width:Ti.UI.SIZE,
    top:12,
    left:12,
    right:12,
    text:'Not working as expected',
    textAlign:'left',
    font:{fontFamily:'HelveticaNeue',fontSize:16,fontWeight:'normal'}
});
 
var views = [];
 
var v1 = Ti.UI.createView({
    top:0,
    width:'100%',
    height:300,
    backgroundColor:'red'
});
 
views.push(v1);
 
var v2 = Ti.UI.createView({
    top:0,
    width:'100%',
    height:600,
    backgroundColor:'green'
});
 
var lab2 = Ti.UI.createLabel({
    top:370,
    left:60,
    right:60,
    text:'Scroll me up to see how I get cut off'
});
 
v2.add(lab2);
views.push(v2);
 
var scrollableView = Ti.UI.createScrollableView({
    top:0,
    views:views,
    showPagingControl:false,
    // height:'auto'     // This is probably the default because
                         // it has no affect
    // height:Ti.UI.FILL // This is probably the default because
                         // it has no affect
    // height:Ti.UI.SIZE // If you add this the hight sets to 0
    // height:700        // This works and will make the
                         // scrollableView fit its contents, but
                         // requires that the height of the contents
                         // is known, which is not the case in this app
});
 
scrollView.add(lab);
scrollView.add(scrollableView);
scrollView.add(Ti.UI.createView({top:0,width:Ti.UI.FILL,height:20}));
win.add(scrollView);
win.open();