Check_setup needs to be fixed for restarted band structure calculations in sphinz

[skatnagallu]

Restarted sphinx jobs for band structure calculations, creates a "kpoints" group in input, and not "kpoint". So when check_setup() is called for the job, it throws a keyerror.

pyiron_atomistics/pyiron_atomistics/sphinx/base.py

Line 1561 in 0f38395

if not (