zpool/zfs: restore -V & --version options
The -j option added a round of getopt, which didn't know the magic
version flags. So just bypass the whole thing and go straight to the
human output function for the special case.
Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Umer Saleem <usaleem@ixsystems.com>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #16615
Closes #16617