[BUG] Flaky WelcomeViewProvider test #2326

    Error: high-contrast-light welcome action boundary: 2.34:1 (required 3:1; foreground rgba(34, 88, 142, 0.494); background rgba(255, 255, 255, 1.00))

    expect(received).toBeGreaterThanOrEqual(expected)

    Expected: >= 3
    Received:    2.337314441758872

       at ../playwright/contrast.ts:198

      196 | 			: options.minimum
      197 | 	const diagnostic = `${options.label}: ${ratio.toFixed(2)}:1 (required ${minimum}:1; foreground ${styles.foreground}; background rgba(${effectiveBackground.r.toFixed(0)}, ${effectiveBackground.g.toFixed(0)}, ${effectiveBackground.b.toFixed(0)}, ${effectiveBackground.a.toFixed(2)}))`
    > 198 | 	expect(ratio, diagnostic).toBeGreaterThanOrEqual(minimum)
          | 	                          ^
      199 | 	return { ratio, minimum, foreground: effectiveForeground, background: effectiveBackground }
      200 | }
      201 |
        at expectContrast (/__w/Zoo-Code/Zoo-Code/webview-ui/playwright/contrast.ts:198:28)
        at /__w/Zoo-Code/Zoo-Code/webview-ui/src/components/welcome/__tests__/WelcomeViewProvider.visual.tsx:25:4
  ✘  96 [chromium] › src/components/welcome/__tests__/WelcomeViewProvider.visual.tsx:8:2 › renders the full welcome screen in the VS Code high-contrast-light theme (1.4s)
  ✓  95 [chromium] › src/components/welcome/__tests__/WelcomeViewProvider.visual.tsx:8:2 › renders the full welcome screen in the VS Code high-contrast theme (1.6s)
Notice:   1 failed
    [chromium] › src/components/welcome/__tests__/WelcomeViewProvider.visual.tsx:8:2 › renders the full welcome screen in the VS Code high-contrast-light theme