[STRATCONN-5380] - Fix google enhanced conversion error parsing

[varadarajan-tw]

This PR fixes HTTP error parsing foruserList action of Google Enhanced Conversions destination.

This PR solves two key issues

• Internal Error due to incorrect response structure parsing. The external data wrapper is not needed.
• Handles concurrent modification error and rethrows it as retryable error for all APIs used in userList action. It seems like all APIs createOfflineJob, addOpertions and run (less likely) can throw this exception. (Previous PR)

More on before and after state in Test Doc

This destination could benefit from Multistatus. I'll try to implement it in a different PR whenever I find time next.

Testing

• Added unit tests for new functionality
• Tested end-to-end using the local server
• [If destination is already live] Tested for backward compatibility of destination. Note: New required fields are a breaking change.
• [Segmenters] Tested in the staging environment
• [Segmenters] [If applicable for this change] Tested for regression with Hadron.

[codecov]

Codecov Report

Attention: Patch coverage is 81.81818% with 2 lines in your changes missing coverage. Please review.

Project coverage is 78.49%. Comparing base (c80d11e) to head (cd10869).
Report is 8 commits behind head on main.

Files with missing lines	Patch %	Lines
...tinations/google-enhanced-conversions/functions.ts	81.81%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2705      +/-   ##
==========================================
- Coverage   78.90%   78.49%   -0.41%     
==========================================
  Files        1089     1036      -53     
  Lines       21361    18774    -2587     
  Branches     4262     3562     -700     
==========================================
- Hits        16854    14737    -2117     
+ Misses       3310     2839     -471     
- Partials     1197     1198       +1     

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[varadarajan-tw]

This INVALID Response is actually not useful. So, I removed it let the error bubble through in handleGoogleAdsError(error)

[itsarijitray]

🚀

[Innovative-GauravKochar]

LGTM !