fix(Healthcheck): separate issue location, increase gaps

[artemmufazalov]

Stand: https://nda.ya.ru/t/QoyjGhCZ7JVcow

CI Results

Test Status: ⚠️ FLAKY

📊 Full Report

Total	Passed	Failed	Flaky	Skipped
378	370	0	6	2

Test Changes Summary ⏭️2

⏭️ Skipped Tests (2)

1. Scroll to row, get shareable link, navigate to URL and verify row is scrolled into view (tenant/diagnostics/tabs/queries.test.ts)
2. Copy result button copies to clipboard (tenant/queryEditor/queryEditor.test.ts)

Bundle Size: ✅

Current: 85.39 MB | Main: 85.39 MB
Diff: +1.28 KB (0.00%)

✅ Bundle size unchanged.

ℹ️ CI Information

• Test recordings for failed tests are available in the full report.
• Bundle size is measured for the entire 'dist' directory.
• 📊 indicates links to detailed reports.
• 🔺 indicates increase, 🔽 decrease, and ✅ no change in bundle size.

[Copilot]

Pull Request Overview

This PR improves the visual spacing and organization of the Healthcheck issue details interface. The changes increase gap spacing throughout the component hierarchy to provide better visual separation and extract location-related components into a dedicated module.

Key changes:

• Increased gap spacing from 2 to 3 in most components and from 3 to 4 in the main issues container
• Extracted node and peer location components into a new IssueLocation component for better code organization
• Updated CSS custom properties to align with the new spacing values

Reviewed Changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
utils.tsx	Increased default gap from 2 to 3 in SectionWithTitle component
StorageLocation.tsx	Updated gap spacing from 2 to 3 in the storage location flex container
IssueLocation.tsx	New component that consolidates storage, compute, node, and peer location rendering
HealthcheckIssueDetails.tsx	Refactored to use the new IssueLocation component, removing duplicated location components
ComputeLocation.tsx	Updated gap spacing from 2 to 3 in the compute location flex container
Healthcheck.tsx	Increased main container gap from 3 to 4 for better visual separation
Healthcheck.scss	Updated CSS custom property for definition list item gap from spacing-2 to spacing-3