credential-store operation read-aliases should be read-only

[standalone@embedded /] /subsystem=elytron/credential-store=test:read-operation-description(name=read-aliases
{
    "outcome" => "success",
    "result" => {
        "operation-name" => "read-aliases",
        "description" => "Read aliases (entries) from a credential store.",
        "request-properties" => {},
        "reply-properties" => {},
        "read-only" => false,
        "runtime-only" => true
    }
}