Merge feature/metrics branch to 2.4

[ps48]

Description

Cherry picked commits from feature/metrics to 2.4

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-commenter]

Codecov Report

Merging #1234 (9751001) into 2.4 (b3a541a) will decrease coverage by 18.61%.
The diff coverage is 34.69%.

@@              Coverage Diff              @@
##                2.4    #1234       +/-   ##
=============================================
- Coverage     71.87%   53.26%   -18.62%     
- Complexity      291      292        +1     
=============================================
  Files            42      282      +240     
  Lines          2311     9690     +7379     
  Branches        240     2274     +2034     
=============================================
+ Hits           1661     5161     +3500     
- Misses          509     4358     +3849     
- Partials        141      171       +30     

Flag	Coverage Δ
dashboards-observability	47.65% <42.18%> (?)
opensearch-observability	70.35% <28.91%> (-1.52%)	⬇️

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

Impacted Files	Coverage Δ
...ability/public/components/common/search/search.tsx	54.54% <ø> (ø)
...ces/saved_objects/event_analytics/saved_objects.ts	5.40% <0.00%> (ø)
...ensearch/observability/model/SavedVisualization.kt	60.73% <28.91%> (-33.17%)	⬇️
.../public/components/custom_panels/helpers/utils.tsx	73.38% <31.81%> (ø)
...event_analytics/explorer/save_panel/save_panel.tsx	47.61% <45.45%> (ø)
...isualization_container/visualization_container.tsx	69.56% <66.66%> (ø)
...nents/event_analytics/home/saved_objects_table.tsx	75.60% <85.71%> (ø)
...hboards-observability/common/constants/explorer.ts	100.00% <100.00%> (ø)
...onents/event_analytics/redux/slices/field_slice.ts	33.33% <0.00%> (ø)
...trace_analytics/components/traces/traces_table.tsx	69.56% <0.00%> (ø)
... and 238 more

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

[kavithacm]

Awesome!! 😎