JED 1.6.0+ - Eternal night, no celestial rendering

{
    "config_version": {
        "id": "__default",
        "version": 0
    },
    "dimensions": [
        {
            "dim": 123,
            "dimensiontype": {
                "id": 123,
                "name": "Dark Dimension",
                "keeploaded": false,
                "worldprovider": "WorldProviderSurfaceJED",
                "require_exact_match": true
            },
            "worldinfo_onetime": {
                "DayTime": 18000,
                "GameRules": {
                    "doDaylightCycle": "false"
                }
            },
            "jed": {
                "SkyRenderType": 1,
                "SkyDisableFlags": 7,
                "CloudRenderer": "DummyRenderer",
                "SkyBlend": 1.0,
                "DisableDawnDuskColors": true,
                "SkyColor": "000000",
                "FogColor": "000000"
            }
        }
    ]
}