Fix menu and module list state filter (joomla#43941)

Author: Hackwar

administrator/components/com_menus/src/Model/ItemsModel.php

@@ -326,7 +326,7 @@ protected function getListQuery()
             ->bind(':clientId', $clientId, ParameterType::INTEGER);
 
         // Filter on the published state.
-        $published = $this->getState('filter.published');
+        $published = $this->getState('filter.published', '');
 
         if (is_numeric($published)) {
             $published = (int) $published;

administrator/components/com_modules/src/Model/ModulesModel.php

@@ -313,7 +313,7 @@ protected function getListQuery()
         }
 
         // Filter by published state.
-        $state = $this->getState('filter.state');
+        $state = $this->getState('filter.state', '');
 
         if (is_numeric($state)) {
             $state = (int) $state;