Fix for description unable to be set in firewall group

[afady]

Description

Fixes issue where description could not be set when creating a firewall group.

Related Issues

#291

Checklist:

• Have you checked to ensure there aren't other open Pull Requests for the same update/change?
• Have you linted your code locally prior to submission?
• Have you successfully ran tests with your changes locally?

[codecov-io]

Codecov Report

Merging #292 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #292   +/-   ##
=======================================
  Coverage   80.51%   80.51%           
=======================================
  Files          21       21           
  Lines         195      195           
  Branches       19       19           
=======================================
  Hits          157      157           
  Misses         38       38

Impacted Files	Coverage Δ
src/api/firewall.js	100% <ø> (ø)	⬆️

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