[TIMOB-15541] iOS: ListView - appendSection() will not display items in the ListView when opening a new window for the first time

var detailTemplate = {
     
    childTemplates: [
            
        {                             
            type: 'Ti.UI.Label',     
            bindId: 'theName',          
            properties: {            
                  
                color:'black',
                font:{fontSize:14,fontWeight:'bold'},
                top:1,
                left:8,
                 
            }
        },
        {                            
            type: 'Ti.UI.Label',     
            bindId: 'theCategorie',       
            properties: {   
                              
                color:'darkGray',
                font:{fontSize:14,fontWeight:'bold'},
                bottom:1,
                left:8,
                                 
            }
        },
             
    ]
};
 
 
var b1 = Ti.UI.createButton({
    title : 'dataset1',
    top:20,
});
 
 
b1.addEventListener('click', function() {
     
    var data1 = [
 
        { theName: { text: 'Row 1'},theCategorie:{ text: 'Cat 1'} },
        { theName: { text: 'Row 2'},theCategorie:{ text: 'Cat 2'} },
        { theName: { text: 'Row 3'},theCategorie:{ text: 'Cat 3'} }
     
    ];
     
      
    var listSection1 = Titanium.UI.createListSection({items: data1,headerTitle: 'Data1 Custom Item Template'});
    // this works
    // listView.sections=[listSection1];
    
    // bug is here
    listView.appendSection(listSection1);
    rootWin.openWindow(win2);
});
 
 
var win1= Ti.UI.createWindow({title:'Custom Item Template'});
win1.add([b1,]);
 
 
var win2 = Ti.UI.createWindow();
 
var listView = Titanium.UI.createListView(
     
                    {templates: { 'detailTemplate':detailTemplate },
                    defaultItemTemplate: 'detailTemplate',
                }
);
     
         
listView.addEventListener('itemclick', function(e){
     
    //alert ( JSON.stringify(e));
    Ti.API.info(JSON.stringify(e));
    var item = e.section.getItemAt(e.itemIndex);
    Ti.API.info(JSON.stringify(item));
     
         
});
 
win2.add(listView);
 
var rootWin = Ti.UI.iOS.createNavigationWindow({window:win1});
rootWin.open();