Escape button on a button with MenuList should only close the menu

[lilykogan]

Describe the bug

escape button is closing button menu list, but it continue propagating the "escape keyboard event" and it also closes the window that the button is on.
use "event.stopPropagation();" after closing the menu

To Reproduce

Please see the attached file with repro steps

1. add menuList button to popout dialog
2. open the menu list
3. click esc
4. it'll close the dialog.

Expected behavior

esc button should only close the menu
https://github.com/user-attachments/assets/6fe1e831-80c4-4444-a12f-c048286332f3

[rohandubal]

Hello! this seems to be an issue with Outlook web app. I can try and get it connected with the right folks, but in the meanwhile, could you please add additional details around why this issue is opened in Fluid Framework repository?

Thanks,
Rohan