Zero filling missing bucket in Explore Data

[anandtiwary]

Description

Please include a summary of the change, motivation and context.
feat: Zero filling missing bucket in Explore Data

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 #839 (bf17fa1) into main (7c59f3a) will increase coverage by 0.01%.
The diff coverage is 94.59%.

@@            Coverage Diff             @@
##             main     #839      +/-   ##
==========================================
+ Coverage   85.42%   85.44%   +0.01%     
==========================================
  Files         793      793              
  Lines       16231    16252      +21     
  Branches     1930     1932       +2     
==========================================
+ Hits        13865    13886      +21     
  Misses       2334     2334              
  Partials       32       32              

Impacted Files	Coverage Δ
...hql/explore/explore-cartesian-data-source.model.ts	89.39% <77.77%> (+0.16%)	⬆️
...d/dashboard/data/graphql/explore/explore-result.ts	100.00% <100.00%> (ø)
...lorer-visualization-cartesian-data-source.model.ts	84.21% <100.00%> (+1.85%)	⬆️
...sian-widget/cartesian-widget-renderer.component.ts	97.72% <100.00%> (+0.05%)	⬆️

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[arjunlalb]

LGTM

[github-actions]

Unit Test Results

    4 files  ±0  250 suites  ±0   14m 37s ⏱️ +16s
899 tests ±0  899 ✔️ ±0  0 💤 ±0  0 ❌ ±0 
905 runs  ±0  905 ✔️ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 80af206. ± Comparison against base commit 7c59f3a.