api: fix wrong response object type of listTrafficTypes API

[weizhouapache]

Description

This PR fixes #11860

Types of changes

• Breaking change (fix or feature that would cause existing functionality to change)
• New feature (non-breaking change which adds functionality)
• Bug fix (non-breaking change which fixes an issue)
• Enhancement (improves an existing feature and functionality)
• Cleanup (Code refactoring and cleanup, that may add test cases)
• Build/CI
• Test (unit or integration test code)

Feature/Enhancement Scale or Bug Severity

Feature/Enhancement Scale

• Major
• Minor

Bug Severity

• BLOCKER
• Critical
• Major
• Minor
• Trivial

Screenshots (if appropriate):

How Has This Been Tested?

How did you try to break this feature and the system with this change?

[weizhouapache]

@blueorangutan package

[blueorangutan]

@weizhouapache a [SL] Jenkins job has been kicked to build packages. It will be bundled with KVM, XenServer and VMware SystemVM templates. I'll keep you posted as I make progress.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 17.56%. Comparing base (03a4b9f) to head (8914726).
⚠️ Report is 381 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main   #11883      +/-   ##
============================================
+ Coverage     16.18%   17.56%   +1.37%     
- Complexity    13303    15531    +2228     
============================================
  Files          5657     5909     +252     
  Lines        498464   529012   +30548     
  Branches      60491    64604    +4113     
============================================
+ Hits          80689    92912   +12223     
- Misses       408794   425652   +16858     
- Partials       8981    10448    +1467     

Flag	Coverage Δ
uitests	3.58% <ø> (-0.43%)	⬇️
unittests	18.63% <ø> (+1.58%)	⬆️

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[blueorangutan]

Packaging result [SF]: ✔️ el8 ✔️ el9 ✔️ el10 ✔️ debian ✔️ suse15. SL-JID 15515