[Bug]: Vibrant BrowserWindow not responding to pointer events after opening DevTools

[TheCommieAxolotl]

Preflight Checklist

• I have read the Contributing Guidelines for this project.
• I agree to follow the Code of Conduct that this project adheres to.
• I have searched the issue tracker for a bug report that matches the one I want to file, without success.

Electron Version

31.0.0-beta.8

What operating system are you using?

macOS

Operating System Version

macOS Sonoma 14.3

What arch are you using?

arm64 (including Apple Silicon)

Last Known Working Electron version

30.0.0

Expected Behavior

When opening DevTools, both the app contents and DevTools continue to respond to pointer events.

Actual Behavior

In a BrowserWindow with vibrancy set to "sidebar":

When opening DevTools for the first time, both DevTools and the app stop responding to pointer events.
Upon then closing DevTools and reopening it, DevTools becomes responsive but the app stays unresponsive.

Note: The app continues to respond to other input such as Tab navigation.

Testcase Gist URL

https://gist.github.com/TheCommieAxolotl/3b91b79f80278e3e18f5d8c0e0456245

Additional Information

No response

[TheCommieAxolotl]

Possibly related/duplicate of #42336

[codebytere]

@TheCommieAxolotl i'd also put my money on it being the same root cause as #42336 unfortunately - the vibrant view isn't being inserted at the right place in the Views hierarchy anymore as a result of #41326