performance improvement in case of db-load

src/Core/Config/Configuration.php

@@ -87,6 +87,7 @@ class Configuration
 
 			if ($dbvalue !== '!<unset>!') {
 				$this->configCache->set($cat, $key, $dbvalue);
+				return $dbvalue;
 			}
 		}
 

src/Core/Config/PConfiguration.php

@@ -79,6 +79,7 @@ class PConfiguration
 
 			if ($dbValue !== '!<unset>!') {
 				$this->configCache->setP($uid, $cat, $key, $dbValue);
+				return $dbValue;
 			}
 		}