[TIMOB-19972] iOS: Peek&Pop only works on first elements of Ti.UI.ListView

   var actions = [];
   var win = Ti.UI.createWindow({
       backgroundColor: "white"
   });
    
   // The view to be previewed while popping.
   var previewView = Ti.UI.createView({
       backgroundColor: "blue"
   });
    
   // The window to be opened after popping the preview.
   var detailWindow = Ti.UI.createWindow({
       backgroundColor: "yellow"
   });
    
   detailWindow.add(Ti.UI.createLabel({
       text: "You made it!"
   }));
    
   // The actions to be added to the preview context.
   var action = Ti.UI.iOS.createPreviewAction({
       title: "Preview Action",
       style: Ti.UI.iOS.PREVIEW_ACTION_STYLE_DEFAULT
   });
    
   action.addEventListener("click", function(e) {
     Ti.API.warn(e);
       alert(
           "Title: " + e.title +
           "\nStyle: " + e.style +
           "\nIndex: " + e.index +
           "\nSectionIndex: " + e.sectionIndex +
           "\nItemIndex: " + e.itemIndex
       );
   });
    
   actions.push(action);
    
   // Create the preview context
   var context = Ti.UI.iOS.createPreviewContext({
       preview: previewView,
       actions: actions, // Can have both Ti.UI.iOS.PreviewAction + Ti.UI.iOS.PreviewActionGroup
       contentHeight: 300 // When unspecified, we use the available height
   });
    
   context.addEventListener("peek", function(e) {
     Ti.API.warn("Peek");
     Ti.API.warn(e);
   });
    
   context.addEventListener("pop", function(e) {
     Ti.API.warn("Pop");
     Ti.API.warn(e);
   });
    
   // Assign the preview context
   var listView = Ti.UI.createListView({
       previewContext: context, // Will be ignored on unsupported devices
   });
    
   var sections = [];
    
   for(var i = 1; i <= 2; i++) {
     var items = [];
     var section = Ti.UI.createListSection({
         headerTitle: "Section " + i
     });
     for(var j = 1; j <= 30; j++) {
         items.push({
             properties: {
                 itemId: "test" + i + j,
                 title: "Cell #" + j
             }
         });
     }
     section.setItems(items);
     sections.push(section);
   }
   listView.setSections(sections);
    
   win.add(listView);
   win.open();