HPCC-10328 - Sasha CLI archive vs backup back to front

The Sasha CLI was treating 'archive' to mean 'backup' and
vice versa. (backup leaves the workunits in Dali)

Signed-off-by: Jake Smith <jake.smith@lexisnexis.com>
Merge pull request #5083 from jakesmith/hpcc-10328

HPCC-10328 - Sasha CLI archive vs backup back to front

Reviewed-By: Anthony Fishbeck <anthony.fishbeck@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>