fix: hidden header should show again when searching [LIVE-13727]

[Justkant]

✅ Checklist

• npx changeset was attached.
• Covered by automatic tests. Animation are not tested automatically, I tested it manually
• Impact of the changes:
  • Web3Hub still behind a disabled FF

📝 Description

Hidden header should show again when searching
On the search page the header can be hidden while keeping the focus on the search bar, if you add or remove a character while the header is hidden it won’t show again when the list reset to the top

Before	After
before-fix.mov	after-fix.mov

❓ Context

• JIRA or GitHub link: LIVE-13727

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🧐 Checklist for the PR Reviewers

• The code aligns with the requirements described in the linked JIRA or GitHub issue.
• The PR description clearly documents the changes made and explains any technical trade-offs or design decisions.
• There are no undocumented trade-offs, technical debt, or maintainability issues.
• The PR has been tested thoroughly, and any potential edge cases have been considered and handled.
• Any new dependencies have been justified and documented.
• Performance considerations have been taken into account. (changes have been profiled or benchmarked if necessary)

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5 Skipped Deployments

Name	Status	Preview	Comments	Updated (UTC)
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