[5.0] Missing array initialization (#41963)

* fix

* fix TemplateModel::getOverridesList()

Author: Denitz

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

@@ -397,6 +397,8 @@ public function duplicate(&$pks)
 
         $table = $this->getTable();
 
+        $tuples = [];
+
         foreach ($pks as $pk) {
             if ($table->load($pk, true)) {
                 // Reset the id to create a new record.

administrator/components/com_templates/src/Model/TemplateModel.php

@@ -1012,6 +1012,8 @@ public function getOverridesFolder($name, $path)
      */
     public function getOverridesList()
     {
+        $result = [];
+
         if ($template = $this->getTemplate()) {
             $client        = ApplicationHelper::getClientInfo($template->client_id);
             $componentPath = Path::clean($client->path . '/components/');
@@ -1094,9 +1096,7 @@ public function getOverridesList()
             }
         }
 
-        if (!empty($result)) {
-            return $result;
-        }
+        return $result;
     }
 
     /**