AppHeader - Add close callback to :logo yielded block (HDS-5390)

[KristinLBradley]

📌 Summary

If merged, this PR adds a close callback to the AppHeader's yielded :logo block.

👉 Preview: https://hds-showcase-git-kristin-hds-5390-app-header-a-e967b2-hashicorp.vercel.app/layouts/app-frame/frameless/demo-full-app-frame-with-app-header-and-app-side-nav

To test:

1. Narrow browser window until "Menu" button appears in AppHeader bar (the "mobile" view)
2. Click "Menu" button to open the mobile menu
3. Click HomeLink logo in the AppHeader
   Expected: The open menu should close.

🔗 External links

• Jira ticket: HDS-5390

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👀 Component checklist

• Percy was checked for any visual regression
• A changelog entry was added via Changesets if needed (see templates here)

💬 Please consider using conventional comments when reviewing this PR.

📋 PCI review checklist

• If applicable, I've documented a plan to revert these changes if they require more than reverting the pull request.
• If applicable, I've worked with GRC to document the impact of any changes to security controls.
  Examples of changes to controls include access controls, encryption, logging, etc.
• If applicable, I've worked with GRC to ensure compliance due to a significant change to the in-scope PCI environment.
  Examples include changes to operating systems, ports, protocols, services, cryptography-related components, PII processing code, etc.

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Project	Deployment	Preview	Updated (UTC)
hds-showcase	Ready	Preview	Aug 21, 2025 4:59pm
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