Pre-launch polish, part 1

[macfarlandian]

Description of the change

Assorted minor visual and navigational fixes; see linked issue for a full accounting (or the individual commits on this branch).

Type of change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Configuration change (adjusts configuration to achieve some end related to functionality, development, performance, or security)

Related issues

Part of #366

Checklists

Development

These boxes should be checked by the submitter prior to merging:

• Manual testing against realistic data has been performed locally

Code review

These boxes should be checked by reviewers prior to merging:

• This pull request has a descriptive title and information useful to a reviewer
• This pull request has been moved out of a Draft state, has no "Work In Progress" label, and has assigned reviewers
• Potential security implications or infrastructural changes have been considered, if relevant

[coveralls]

Pull Request Test Coverage Report for Build 688436427

• 87 of 87 (100.0%) changed or added relevant lines in 18 files are covered.
• 17 unchanged lines in 9 files lost coverage.
• Overall coverage decreased (-0.09%) to 73.267%

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Files with Coverage Reduction	New Missed Lines	%
spotlight-client/src/AuthWall/AuthWall.tsx	1	79.17%
spotlight-client/src/DataStore/UiStore.ts	1	95.24%
spotlight-client/src/metricsApi/types.ts	1	33.33%
spotlight-client/src/SiteNavigation/SiteNavigationMobile.tsx	1	96.88%
spotlight-client/src/VerificationRequired/VerificationRequired.tsx	1	50.0%
spotlight-client/src/VizRecidivismRateCumulative/VizRecidivismRateCumulative.tsx	1	88.24%
spotlight-client/src/VizHistoricalPopulationBreakdown/VizHistoricalPopulationBreakdown.tsx	2	68.42%
spotlight-client/src/contentModels/RecidivismRateMetric.ts	3	91.26%
spotlight-client/src/contentModels/SupervisionSuccessRateMetric.ts	6	87.06%

Totals
Change from base Build 688051047:	-0.09%
Covered Lines:	2761
Relevant Lines:	3645

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💛 - Coveralls

[macfarlandian]

the flaky tests on this package are getting out of hand so I am skipping the problem ones (it's only a handful out of 300+) so they stop blocking these PRs before launch. #353 already exists to fix this more permanently, which I think should wait until next week after the v2 release is put to bed