[Feature-Request] Pointcloud save to .ply file

[Erol444]

Move to the what:

In SDK, allow users to save the pointcloud to a .ply file. Perhaps we can add additional saving mechanism for components, just like taking still photos for camera component, which is currently not easy to implement.

Move to the how:

Should be trivial to do that with open3d: https://stackoverflow.com/questions/62948421/how-to-create-point-cloud-file-ply-from-vertices-stored-as-numpy-array