Description of problem:
"initial-running-mode" attribute from "/core-service=server-environment" has wrong description

How reproducible:
always

Steps to Reproduce:

1. /core-service=server-environment:read-resource-description(operations=false)

Actual results:
...
"initial-running-mode" => {
"type" => STRING,
"description" => "The current running mode of the server. Either LIVE (normal operations) or ADMIN_ONLY. An ADMIN_ONLY server will start any configured management interfaces and accept management requests, but will not start services used for handling end user requests.",
...
},
...

Expected results:
The initial running mode of the server. Either NORMAL or ADMIN_ONLY. An ADMIN_ONLY server will start any configured management interfaces and accept management requests, but will not start services used for handling end user requests.