fixed the indexes added to the tree

[sumukhswamy]

Description

tree child index fixes

Issues Resolved

[List any issues this PR will resolve]

Check List

• New functionality includes testing.
  • All tests pass, including unit test, integration test and doctest
• New functionality has been documented.
  • New functionality has javadoc added
  • New functionality has user manual doc added
• Commits are signed per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[codecov]

Codecov Report

Merging #142 (5116bbb) into main (9a5a20f) will decrease coverage by 0.09%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #142      +/-   ##
==========================================
- Coverage   54.90%   54.82%   -0.09%     
==========================================
  Files          33       33              
  Lines        1346     1348       +2     
  Branches      207      207              
==========================================
  Hits          739      739              
- Misses        529      531       +2     
  Partials       78       78              

Flag	Coverage Δ
dashboards-query-workbench	54.82% <ø> (-0.09%)	⬇️

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see 1 file with indirect coverage changes

[ps48]

Merged here: #140