export rcut_smth from DescriptorBlock

[github-actions]

Line: 144

deepmd-kit//deepmd/pt/utils/env_mat_stat.py

Lines 141 to 151 in 76371ce

	zero_mean,
	one_stddev,
	self.descriptor.get_rcut(),
	# TODO: export rcut_smth from DescriptorBlock
	self.descriptor.rcut_smth,
	radial_only,
	protection=self.descriptor.env_protection,
	)
	# reshape to nframes * nloc at the atom level,
	# so nframes/mixed_type do not matter
	env_mat = env_mat.view(

[njzjz]

Although it has been resolved, the TODO tag still exists.