ENGTAI-63748: patch to unwind text array exp for postgres

[patelraj0602]

Description

Please include a summary of the change, motivation and context.

Testing

Please describe the tests that you ran to verify your changes. Please summarize what did you test and what needs to be tested e.g. deployed and tested helm chart locally.

Checklist:

• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• Any dependent changes have been merged and published in downstream modules

Documentation

Make sure that you have documented corresponding changes in this repository or hypertrace docs repo if required.

[codecov]

Codecov Report

❌ Patch coverage is 33.33333% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 78.50%. Comparing base (e869f86) to head (216406b).

Files with missing lines	Patch %	Lines
.../v1/vistors/PostgresFromTypeExpressionVisitor.java	33.33%	3 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #227      +/-   ##
============================================
- Coverage     78.55%   78.50%   -0.06%     
  Complexity     1069     1069              
============================================
  Files           206      206              
  Lines          5228     5233       +5     
  Branches        449      451       +2     
============================================
+ Hits           4107     4108       +1     
- Misses          813      816       +3     
- Partials        308      309       +1     

Flag	Coverage Δ
integration	78.50% <33.33%> (-0.06%)	⬇️
unit	55.79% <33.33%> (-0.04%)	⬇️

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[github-actions]

Test Results

 40 files  ±0   40 suites  ±0   35s ⏱️ -1s
247 tests ±0  247 ✅ ±0  0 💤 ±0  0 ❌ ±0 
503 runs  ±0  503 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 216406b. ± Comparison against base commit e869f86.

[suresh-prakash]

@patelraj0602 Can you please update the description to reflect what effect this change has and what was the problem before. If it is something very specific, we can discuss over Slack too.