Show edited_on instead of create date in datagrid

src/Backend/Modules/Menu/Actions/Alacarte.php

@@ -66,7 +66,7 @@ protected function loadDataGrid($categoryId, $categoryName)
         // reform date
         $dataGrid->setColumnFunction(
             array('Backend\Core\Engine\DataGridFunctions', 'getLongDate'),
-            array('[created_on]'), 'created_on', true
+            array('[edited_on]'), 'edited_on', true
         );
 
         // drag and drop sequencing

src/Backend/Modules/Menu/Actions/Index.php

@@ -48,7 +48,7 @@ protected function loadDataGrid()
         // reform date
         $this->dataGrid->setColumnFunction(
             array('Backend\Core\Engine\DataGridFunctions', 'getLongDate'),
-            array('[created_on]'), 'created_on', true
+            array('[edited_on]'), 'edited_on', true
         );
 
         // drag and drop sequencing

src/Backend/Modules/Menu/Engine/Model.php

@@ -21,7 +21,7 @@
 class Model
 {
     const QRY_DATAGRID_BROWSE =
-        'SELECT i.id, i.hidden, i.title, UNIX_TIMESTAMP(i.created_on) AS created_on, i.sequence
+        'SELECT i.id, i.hidden, i.title, UNIX_TIMESTAMP(i.edited_on) AS edited_on, i.sequence
          FROM menu AS i
          WHERE i.language = ?
          ORDER BY i.sequence';
@@ -35,7 +35,7 @@ class Model
          ORDER BY c.sequence ASC';
 
     const QRY_DATAGRID_BROWSE_ALACARTE =
-        'SELECT i.id, i.hidden, i.title, UNIX_TIMESTAMP(i.created_on) AS created_on, i.sequence, i.price
+        'SELECT i.id, i.hidden, i.title, UNIX_TIMESTAMP(i.edited_on) AS edited_on, i.sequence, i.price
          FROM menu_alacarte AS i
          WHERE i.language = ? AND category_id = ?
          ORDER BY i.sequence';