Child items table (#5114)

* Template cleanup

- Remove "buttons" attribute (outdated)

* Fix filters for "child stock items" table

* Fix 'ancestor' stock filter

InvenTree/part/templates/part/detail.html

@@ -769,9 +769,6 @@
                 part_detail: true,
                 supplier_part_detail: true,
             },
-            buttons: [
-                '#stock-options',
-            ],
         });
 
         $('#item-create').click(function () {