fix OtCustomizer controller actions

ot_templating/Classes/Controller/OtCustomizerController.php

@@ -51,7 +51,7 @@ class OtCustomizerController extends SelectedSiteController {
         $queryBuilder->update('ot_websites')
             ->where($queryBuilder->expr()->eq('uid', $this->currentWebsite['uid']))
             ->set('template', $templateKey)
-            ->executeQuery();
+            ->executeStatement();
 
         // Clear the site's cache
         $this->otCacheManager->clearSiteCache($this->currentRootUid);
@@ -89,7 +89,7 @@ class OtCustomizerController extends SelectedSiteController {
         $queryBuilder->update('ot_websites')
             ->where($queryBuilder->expr()->eq('uid', $this->currentWebsite['uid']))
             ->set('template_preferences', json_encode($prefs))
-            ->executeQuery();
+            ->executeStatement();
 
         // Clear the site's cache
         $this->otCacheManager->clearSiteCache($this->currentRootUid);