fix(scans, findings): Improve API performance ordering by inserted_at instead of id

[prowler-bot]

Backport

This will backport the following commits from master to v5.2:

• fix(scans, findings): Improve API performance ordering by inserted_at instead of id (#6711)

Questions ?

Please refer to the Backport tool documentation

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 93.69%. Comparing base (2823d3a) to head (e13757a).
Report is 2 commits behind head on v5.2.

Additional details and impacted files

@@            Coverage Diff             @@
##             v5.2    #6712      +/-   ##
==========================================
+ Coverage   89.39%   93.69%   +4.30%     
==========================================
  Files        1182       66    -1116     
  Lines       33816     6349   -27467     
==========================================
- Hits        30230     5949   -24281     
+ Misses       3586      400    -3186     

Flag	Coverage Δ
api	93.69% <50.00%> (?)
prowler	?

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Components	Coverage Δ
prowler	∅ <ø> (∅)
api	93.69% <50.00%> (∅)