fix: Update content and styling of use case getting started cards

[virajsanghvi]

Description

Updates getting started cards:

• Updates quantity to avoid having more than will fit on a page
• Updates content to be consistent
• Updates visual design to be consistent + use new styling

Callouts:

• This requires an oui update for new icons so please hold off on merging until the next oui bump.
• This intentionally tries to use OuiCards as they are today as we haven't designed a getting started component. All changes are only for getting started card use cases, so other cards aren't impact. I did override some oui styles as that seemed like the simplest option until we're able to create a dedicated component.

Issues Resolved

N/A

Screenshot

essentials

search

all

observability (updated in separate pr but including here for completion)

security analytics (updated in separate pr but including here for completion)

Testing the changes

Tested locally and reviewed by ux. Updated tests that existed, but some of these don't have snapshot tests in place. Can create if desired.

Changelog

• fix: Update content and styling of use case getting started cards

Check List

• All tests pass
  • yarn test:jest
  • yarn test:jest_integration
• New functionality includes testing.
• New functionality has been documented.
• Update CHANGELOG.md
• Commits are signed per the DCO using --signoff

[codecov]

Codecov Report

Attention: Patch coverage is 13.33333% with 13 lines in your changes missing coverage. Please review.

Project coverage is 60.93%. Comparing base (5c8b2e3) to head (03ae010).
Report is 12 commits behind head on main.

Files with missing lines	Patch %	Lines
...ponents/usecase_overview/search_use_case_setup.tsx	28.57%	5 Missing ⚠️
...ic/components/use_case_overview/setup_overview.tsx	0.00%	5 Missing ⚠️
...cation/components/sample_data/sample_data_card.tsx	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8614      +/-   ##
==========================================
- Coverage   60.94%   60.93%   -0.01%     
==========================================
  Files        3790     3790              
  Lines       90306    90315       +9     
  Branches    14154    14154              
==========================================
- Hits        55034    55033       -1     
- Misses      31815    31825      +10     
  Partials     3457     3457              

Flag	Coverage Δ
Linux_1	29.29% <6.66%> (-0.01%)	⬇️
Linux_2	56.39% <ø> (ø)
Linux_3	37.71% <10.00%> (-0.01%)	⬇️
Linux_4	29.90% <20.00%> (-0.01%)	⬇️
Windows_1	29.30% <6.66%> (-0.01%)	⬇️
Windows_2	56.34% <ø> (ø)
Windows_3	37.71% <10.00%> (-0.01%)	⬇️
Windows_4	29.90% <20.00%> (-0.01%)	⬇️

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[virajsanghvi]

Putting this out for review and approvals, but please don't merge if it has approvals (want an oui bump first so icons show up)

[Hailong-am]

thanks