Alternative to Cesium Unity Ellipsoid (World Globe Terrain) in 3D Tiles for Godot Integration

[GeorgeS2019]

@Manju_nath
Please check this new Cesium for Godot initiative (September 2026)
Cesium for Godot — expanded fork of 3D Tiles for Godot - 3D Tiles for Godot - Cesium Community