Keyboard Shortcut Fixes in Chromium: Arc + Edge

I appreciate the work to Add a shortcut to activate Unclutter #16, as done. However, either assigning to a new combination or using the default is not working. Any tips or ideas is wlcome. 

<img width="474" height="167" alt="Image" src="https://github.com/user-attachments/assets/1cf4c26e-4cdd-457c-8f25-ad5046d6fe5e" />