set administrator to lowercase

imageroot/actions/get-configuration/20read

@@ -23,7 +23,7 @@ config["host"] = os.getenv("TRAEFIK_HOST","")
 config["lets_encrypt"] = os.getenv("TRAEFIK_LETS_ENCRYPT") == "True"
 config["mail_server"] = os.getenv("MAIL_SERVER", "") # the value is the Mail module UUID!
 config["mail_domain"] = os.getenv("MAIL_DOMAIN", "") # the value is the mail domain of user to force domain identity : [email protected] !
-config["admin_users"] = os.getenv("ADMIN_USERS", "Administrator")
+config["admin_users"] = os.getenv("ADMIN_USERS", "administrator")
 config["ldap_domain"] = os.getenv("LDAP_DOMAIN", "")
 config["workers_count"] = os.getenv("WOWORKERSCOUNT", "3")
 config["auxiliary_account"] = os.getenv("AUXILIARYACCOUNT") == "True"