l7-three 支持 mapbox 底图

[lvisei]

实现逻辑：

https://docs.mapbox.com/mapbox-gl-js/example/add-3d-model/

代码修改处：

https://github.com/antvis/L7/blob/78a1e5e0163186bf8e62d6f25a88b7a4acf25cb7/packages/three/src/core/threeRenderService.ts#L75-L82

Originally posted by @lvisei in https://github.com/antvis/L7/issues/2435#issuecomment-2084466179