[Chore] Stabilize VRT flakes, update snapshots and fix local mobile timeout

[weronikaolejniczak]

Summary

• Unskip flaky stories from [Chore] VRT fixes #9721 and stabilize them.
• Fix local mobile timeout: run VRT against static Storybook build instead of dev server with HMR.
• Update stories to have correct snapshots.
• Skip behavioral-only story.
• Add a new story.
• Update baselines.

QA instructions for reviewer

[snyk-io]

✅ Snyk checks have passed. No issues have been found so far.

Status	Scan Engine	Critical	High	Medium	Low	Total (0)
✅	Open Source Security	0	0	0	0	0 issues
✅	Licenses	0	0	0	0	0 issues

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[infra-vault-gh-plugin-prod]

💚 Build Succeeded

• Buildkite Build
• Commit: c0c7568

cc @weronikaolejniczak

[elastic-vault-github-plugin-prod]

3 visual difference(s) found - expand to review, then click Approve visual changes to update baselines

euiwrappingpopover (2 differences)

Story	Before	After	Diff
playground desktop
playground mobile

euidatagrid (1 difference)

Story	Before	After	Diff
compact desktop

[infra-vault-gh-plugin-prod]

💔 Build Failed

• Buildkite Build
• Commit: c0c7568
• Documentation website
• Storybook
• ❌ Visual regression tests failed (view diff table)

Failed CI Steps

• 📷 Test visual regression

History

cc @weronikaolejniczak