[TIMOB-15451] iOS: ListView with custom Template in navigationWindow : listItems not displayed first time when calling appendSection()

   
   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'});
   	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();