Fix for parallel reproducibility issue with 3d_smagorinsky#1445

abishekg7 wants to merge 2 commits intoMPAS-Dev:release-v8.4.0MPAS-Dev/MPAS-Model:release-v8.4.0from

abishekg7:atmosphere/add_les_halo_exchabishekg7/MPAS-Model:atmosphere/add_les_halo_exchCopy head branch name to clipboard