[BUGFIX] Add array_filter for verified field

extensions/ter_fe2/Classes/Domain/Model/Extension.php

@@ -513,7 +513,7 @@ class Extension extends \TYPO3\CMS\Extbase\DomainObject\AbstractEntity implement
      */
     public function getVerified(): array
     {
-        return explode(',', $this->verified);
+        return array_filter(explode(',', $this->verified));
     }
 
     /**