[dictionary] Fixed order of attributes in the json prepare method for…

… response for 'Dictionary Beta'. UI waits the enumeration 'options' before the 'visits' (#8976)

The "visits" attribute has been removed from array initialization as it affects the response for the UI. UI waits for JSON where in the list of column for the table row, "visits" goes after "otions" by the order.

modules/dictionary/php/datadictrow.class.inc

@@ -64,7 +64,6 @@ class DataDictRow implements \LORIS\Data\DataInstance,
             'datascope'          => $scope,
             'type'               => $this->getDataType(),
             'cardinality'        => $this->getCardinality(),
-            'visits'             => $this->visits,
         ];
 
         $itype = $this->item->getDataType();