Fix the editable delegate in tableview example

We re-interpreted what "model" means in TableView to align it
with what it means for ListView. Unfortunately the example still assume
that "model" refers to the views acual model object and not to the
current item data as it did for listview.

Change-Id: I3457954a622be38500672edb1c0a910d18760947
Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@digia.com>

examples/quick/controls/tableview/main.qml

@@ -286,9 +286,9 @@ Window {
                                     target: loaderEditor.item
                                     onAccepted: {
                                         if (typeof styleData.value === 'number')
-                                            model.setProperty(styleData.row, styleData.role, Number(parseFloat(loaderEditor.item.text).toFixed(0)))
+                                            largeModel.setProperty(styleData.row, styleData.role, Number(parseFloat(loaderEditor.item.text).toFixed(0)))
                                         else
-                                            model.setProperty(styleData.row, styleData.role, loaderEditor.item.text)
+                                            largeModel.setProperty(styleData.row, styleData.role, loaderEditor.item.text)
                                     }
                                 }
                                 sourceComponent: styleData.selected ? editor : null