Fix regression in handling errored KBase jobs

[MrCreosote]

Regression from 8f02437 where get_exit_codes was moved from the kbase job flow to job_state

[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 53.64%. Comparing base (327f6dc) to head (1d05060).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
cdmtaskservice/jobflows/kbase.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #520   +/-   ##
=======================================
  Coverage   53.64%   53.64%           
=======================================
  Files          68       68           
  Lines        5762     5762           
=======================================
  Hits         3091     3091           
  Misses       2671     2671           

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