fix: cherry-pick getAppSetStatus incorrectly treats ApplicationSetUpToDate=True ass Error to release-4.18 branch

[aali309]

Cherry-picked: #284 to release-4.18 branch

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Codecov Report

✅ All modified and coverable lines are covered by tests.
⚠️ Please upload report for BASE (release-4.18@f99321a). Learn more about missing BASE report.

Additional details and impacted files

@@               Coverage Diff               @@
##             release-4.18     #285   +/-   ##
===============================================
  Coverage                ?   12.40%           
===============================================
  Files                   ?      171           
  Lines                   ?     6835           
  Branches                ?     2257           
===============================================
  Hits                    ?      848           
  Misses                  ?     5986           
  Partials                ?        1           

Flag	Coverage Δ
unit-tests	12.40% <100.00%> (?)

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[keithchong]

LGTM. Thanks for the cherry-pick