Legend and Chart styles features implementation for line chart on config panel #697

[rinku-kumar-psl]

Description

[Describe what this change achieves]

The below features are implemented in the config panel in this PR:

Legend:

• Show Legend
• Position

Chart styles:

• Mode (Line, Bars, Points, Lines+Points)
• Interpolation (Linear, Smooth, Step Before, Step After)
• Line Width
• Fill Opacity
• Point Size

Here are the visuals and implementation of new Data configs on the Line chart as per the issue #697
#697 (comment)

Issues Resolved

[List any issues this PR will resolve]
#697

Check List

• New functionality includes above listed Legend and Chart styles features in the Data config panel.
  • All tests that pass, including unit test, and integration test, except a few test cases, are failing at my end which is not related to this functionality.
• 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.

[rinku-kumar-psl]

Adding @spattnaik @abasatwar for reference.

[codecov-commenter]

Codecov Report

Merging #765 (f8a4837) into main (b23946d) will increase coverage by 13.68%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##               main     #765       +/-   ##
=============================================
+ Coverage     58.19%   71.87%   +13.68%     
  Complexity      291      291               
=============================================
  Files           242       42      -200     
  Lines          7982     2311     -5671     
  Branches       1632      240     -1392     
=============================================
- Hits           4645     1661     -2984     
+ Misses         3163      509     -2654     
+ Partials        174      141       -33     

Flag	Coverage Δ
dashboards-observability	?
opensearch-observability	71.87% <ø> (ø)

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Impacted Files	Coverage Δ
...hboards-observability/common/constants/explorer.ts
...ashboards-observability/common/constants/shared.ts
...cs/components/config_components/service_config.tsx
...tics/components/config_components/trace_config.tsx
...onents/application_analytics/components/create.tsx
...components/application_analytics/helpers/utils.tsx
...ic/components/custom_panels/custom_panel_table.tsx
...lic/components/custom_panels/custom_panel_view.tsx
...ponents/custom_panels/helpers/modal_containers.tsx
...tom_panels/panel_modules/panel_grid/panel_grid.tsx
... and 190 more

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[rinku-kumar-psl]

Creating a new PR for these changes as after rebasing few main branch commits appear here.