Differentiate INVALID_JOB and INVALID_TASK error codes

[kananb]

Summary of the Pull Request

Differentiate between INVALID_JOB and INVALID_TASK error codes so that the CLI doesn't always assume INVALID_TASK.
#3276

PR Checklist

• Applies to work item: #xxx
• CLA signed. If not, go over here and sign the CLI.
• Tests added/passed
• Requires documentation to be updated
• I've discussed this with core contributors already. If not checked, I'm ready to accept this work might be rejected in favor of a different grand plan. Issue number where discussion took place: #xxx

Info on Pull Request

What does this include?

Validation Steps Performed

Deployed the change manually and validated with onefuzz jobs get <invalid_jobid>

[codecov-commenter]

Codecov Report

Merging #3318 (498c861) into main (51591b7) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #3318   +/-   ##
=======================================
  Coverage   31.78%   31.78%           
=======================================
  Files         307      307           
  Lines       37312    37312           
=======================================
  Hits        11860    11860           
  Misses      25452    25452           

Impacted Files	Coverage Δ
src/ApiService/ApiService/OneFuzzTypes/Enums.cs	32.39% <ø> (ø)