Add integration installation to data sources flyout

[Swiddis]

Description

Continuing off #1560, this PR adds the ability to install integrations from the Flyout.

Screen.Recording.2024-03-18.at.4.21.04.PM.mov

Issues Resolved

N/A

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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[Swiddis]

To allow installing in a flyout: We add the optional parameter setInstallingIntegration that is used to conditionally override the href to the setup page with an onClick that sets installingIntegration to the selected integration. (See diff in available_integration_table.tsx.)

[RyanL1997]

nit: if we switch to use navigateToApp(), do we still need this?

Reference:
Implementation of the EuiLink for datasource:

dashboards-observability/public/components/datasources/components/manage/accelerations/flyout_modules/acceleration_details_tab.tsx

Line 107 in 31d506a

coreRefs?.application!.navigateToApp(observabilityDataConnectionsID, {

[Swiddis]

Bottom bar doesn't render in a flyout if we keep the existing EuiPage component, so I added multiple render types that swap the top-level components between those for an independent page or those for a flyout body. Slightly annoying but not sure what a better way is.

[codecov]

Codecov Report

Attention: Patch coverage is 45.00000% with 22 lines in your changes are missing coverage. Please review.

Project coverage is 57.82%. Comparing base (31d506a) to head (e1849d2).

❗ Current head e1849d2 differs from pull request most recent head a9101bf. Consider uploading reports for the commit a9101bf to get more accurate results

Files	Patch %	Lines
...ents/integrations/components/setup_integration.tsx	34.78%	15 Missing ⚠️
...nage/integrations/installed_integrations_table.tsx	25.00%	5 Missing and 1 partial ⚠️
...rations/components/available_integration_table.tsx	88.88%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1561      +/-   ##
==========================================
- Coverage   57.85%   57.82%   -0.03%     
==========================================
  Files         366      366              
  Lines       13639    13666      +27     
  Branches     3555     3573      +18     
==========================================
+ Hits         7891     7903      +12     
- Misses       5687     5701      +14     
- Partials       61       62       +1     

Flag	Coverage Δ
dashboards-observability	57.82% <45.00%> (-0.03%)	⬇️

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