HPCC-8981 Configmgr - nicSpeed missing in Computer Types

- Fix bug that prevents some columns from appearing
- Add nicSpeed column

Signed-off-by: Gleb Aronsky <gleb.aronsky@lexisnexis.com>
Merge branch 'issue-8981_nic_speed_missing' into candidate-3.10.x

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>