refactor(explore): expression context in handlers

[skjindal93]

No description provided.

[github-actions]

Unit Test Results

  60 files  ±0    60 suites  ±0   7s ⏱️ -1s
338 tests ±0  338 ✔️ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 9f5fe99. ± Comparison against base commit 876b58b.

[codecov]

Codecov Report

Merging #149 (9f5fe99) into main (876b58b) will increase coverage by 0.09%.
The diff coverage is 97.05%.

@@             Coverage Diff              @@
##               main     #149      +/-   ##
============================================
+ Coverage     79.32%   79.42%   +0.09%     
  Complexity     1223     1223              
============================================
  Files           114      114              
  Lines          5509     5530      +21     
  Branches        453      455       +2     
============================================
+ Hits           4370     4392      +22     
+ Misses          937      936       -1     
  Partials        202      202              

Flag	Coverage Δ
unit	79.42% <97.05%> (+0.09%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...y/service/explore/entity/EntityRequestHandler.java	90.00% <66.66%> (+0.98%)	⬆️
...gateway/service/explore/ExploreRequestContext.java	89.65% <100.00%> (-0.35%)	⬇️
...rtrace/gateway/service/explore/ExploreService.java	89.65% <100.00%> (-0.51%)	⬇️
...rtrace/gateway/service/explore/RequestHandler.java	89.20% <100.00%> (-0.08%)	⬇️
...ay/service/explore/TheRestGroupRequestHandler.java	97.54% <100.00%> (+0.21%)	⬆️
...ervice/explore/TimeAggregationsRequestHandler.java	100.00% <100.00%> (ø)
...ore/TimeAggregationsWithGroupByRequestHandler.java	93.97% <100.00%> (+1.43%)	⬆️

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