This adds a utility function to copy the data from a PointCloud outside of the main database to one that is in the database. This is similar to `BKE_mesh_nomain_to_mesh`. Ref D11592
This adds a utility function to copy the data from a PointCloud outside of the main database to one that is in the database. This is similar to `BKE_mesh_nomain_to_mesh`. Ref D11592