comm_create_from_groups: cherrypick two commits from main to fix mpi4py comm create from group etc tests#12976

janjust merged 2 commits intoopen-mpi:v5.0.xopen-mpi/ompi:v5.0.xfrom

hppritcha:fix_for_issue10895_v50xhppritcha/ompi:fix_for_issue10895_v50xCopy head branch name to clipboard