Connected Application Analytics

[eugenesk24]

Description

This PR includes:

• Remove Availability Level from Application Analytics for the time being
• enable fetching applications
• enable creating applications
• enable renaming applications
• add selection ability to home page table
• cancel button on create page
• remove dummy data
• update mappings to reflect any new additions (add application type to database)

Issues Resolved

#376
#323
#327
#325
#340
#378

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 #379 (50f6fe8) into application-analytics (26df65f) will increase coverage by 1.34%.
The diff coverage is 63.63%.

@@                     Coverage Diff                     @@
##             application-analytics     #379      +/-   ##
===========================================================
+ Coverage                    69.29%   70.64%   +1.34%     
- Complexity                     270      271       +1     
===========================================================
  Files                           82       82              
  Lines                         2918     2875      -43     
  Branches                       343      342       -1     
===========================================================
+ Hits                          2022     2031       +9     
+ Misses                         731      677      -54     
- Partials                       165      167       +2     

Flag	Coverage Δ
dashboards-observability	63.87% <ø> (ø)
opensearch-observability	73.14% <63.63%> (+1.88%)	⬆️

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Impacted Files	Coverage Δ
.../org/opensearch/observability/model/Application.kt	5.88% <0.00%> (+3.10%)	⬆️
...ensearch/observability/index/ObservabilityIndex.kt	68.90% <66.66%> (-0.44%)	⬇️
...ability/action/CreateObservabilityObjectRequest.kt	89.79% <100.00%> (ø)
...ability/action/UpdateObservabilityObjectRequest.kt	86.53% <100.00%> (ø)
...arch/observability/model/ObservabilityObjectDoc.kt	87.83% <100.00%> (ø)

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[joshuali925]

also need to add UT and IT in backend for the new application type (separate PRs should be fine)