[Accessibility] Keyboard focus gets lost when closing the 'Graph Explorer Feedback' using the 'Escape' key.

[ElinorW]

Test Environment:
OS Build: Version 22H2(OS Build 25140.1000) 
Browser: Version 104.0.1278.2 (Official build) dev (64-bit)
URL: Graph Explorer | Try Microsoft Graph APIs - Microsoft Graph
Tools: Accessibility Insight for Windows - Color Contrast

To Reproduce
Steps to reproduce the behavior:

1. Open the above URL in Edge browser.
2. Navigate to the 'Help improve graph explorer' button and activate it.
3. Now press the Escape key to close the popup.
4. Observe if the keyboard focus moves on the top of the page.

Actual Result:
Keyboard focus moves to the top of the URL after closing the 'Graph Explorer Graph' popup using the 'Escape' key.

Expected Result:
Keyboard focus should remain on the 'Help improve graph explorer' button after closing the popup using the 'Escape' key.

User Impact:
Keyboard users will be impacted as they will have to navigate the page again if the keyboard focus moves to the top of the page.

MAS Reference:
Focus Order - Liquid (microsoft.com)

Additional Context
Issue: https://office.visualstudio.com/OC/_workitems/edit/6172790