Fix metrics switch

[kavithacm]

Description

1. Fix metric switch
2. Auto populate measure field in save panel when a saved object is selected (events)
3. Remove commented code
4. Update jest tests

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

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[codecov-commenter]

Codecov Report

Merging #1247 (9623da9) into 2.4 (03b62c2) will increase coverage by 15.68%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##                2.4    #1247       +/-   ##
=============================================
+ Coverage     54.58%   70.27%   +15.68%     
  Complexity      292      292               
=============================================
  Files           283       42      -241     
  Lines          9799     2395     -7404     
  Branches       2299      248     -2051     
=============================================
- Hits           5349     1683     -3666     
+ Misses         4279      571     -3708     
+ Partials        171      141       -30     

Flag	Coverage Δ
dashboards-observability	?
opensearch-observability	70.27% <ø> (ø)

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
...event_analytics/explorer/save_panel/save_panel.tsx
...lic/components/visualizations/charts/text/text.tsx
...lorer/visualizations/config_panel/config_panel.tsx
...tics/components/common/plots/latency_trend_plt.tsx
...lic/components/common/helpers/add_sample_modal.tsx
...ents/visualizations/charts/metrics/metrics_type.ts
.../components/visualizations/visualization_chart.tsx
...vent_analytics/explorer/sidebar/field_insights.tsx
...blic/components/common/helpers/ppl_docs/groups.tsx
... and 231 more

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