refactor: exporting cartesian result

[anandtiwary]

Description

Please include a summary of the change, motivation and context.
refactor: exporting cartesian result

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

Merging #640 (5a750e0) into main (b613767) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #640   +/-   ##
=======================================
  Coverage   85.21%   85.21%           
=======================================
  Files         775      775           
  Lines       15979    15979           
  Branches     2059     2059           
=======================================
  Hits        13616    13616           
  Misses       2329     2329           
  Partials       34       34           

Impacted Files	Coverage Δ
projects/observability/src/public-api.ts	100.00% <ø> (ø)

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[github-actions]

Unit Test Results

    4 files  ±0  239 suites  ±0   14m 19s ⏱️ +14s
861 tests ±0  861 ✔️ ±0  0 💤 ±0  0 ❌ ±0 
865 runs  ±0  865 ✔️ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 8ebc737. ± Comparison against base commit b613767.