Merge pull request #596 from contao-community-alliance/hotfix/add_sor…

…ting_filteritems

Add sorting filteritems

src/Data/DefaultDataProvider.php

@@ -3,7 +3,7 @@
 /**
  * This file is part of contao-community-alliance/dc-general.
  *
- * (c) 2013-2022 Contao Community Alliance.
+ * (c) 2013-2023 Contao Community Alliance.
  *
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
@@ -24,7 +24,7 @@
  * @author     Ingolf Steinhardt <[email protected]>
  * @author     Richard Henkenjohann <[email protected]>
  * @author     Alex Wuttke <[email protected]>
- * @copyright  2013-2022 Contao Community Alliance.
+ * @copyright  2013-2023 Contao Community Alliance.
  * @license    https://github.com/contao-community-alliance/dc-general/blob/master/LICENSE LGPL-3.0-or-later
  * @filesource
  */
@@ -428,6 +428,7 @@ public function getFilterOptions(ConfigInterface $config)
         $queryBuilder->select('DISTINCT(' . $property . ')');
         $queryBuilder->from($this->source);
         DefaultDataProviderDBalUtils::addWhere($internalConfig, $queryBuilder);
+        $queryBuilder->addOrderBy($property);
 
         $statement = $queryBuilder->executeQuery();