[cesium] Add types for ground polyline primitive/geometry and label/billboard opts (#42091)
[cesium] Add types for ground polyline primitive/geometry and label/billboard opts (#42091)

* [cesium] Add types for ground polyline primitive/geometry and label/billboard opts

* Fix build

* Fix primitive geometry instance types

dsebastien/DefinitelyTyped,dsebastien/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,mcliment/DefinitelyTyped,georgemarshall/DefinitelyTyped,markogresak/DefinitelyTyped,georgemarshall/DefinitelyTyped