[mwc-list] 'request-selected' fires twice

[yinonov]

Describe the bug checklist item request-selected fires twice when mouse clicked

Expected behavior it should only fire once

Screenshots

https://user-images.githubusercontent.com/15140652/141305445-81a39c05-04b9-431c-afec-bd5a48ccda0d.mov

Additional context note this only happens on mouse click and not on keydown (enter)

[patrickrodee]

Thanks for your report! A new version of list is on our roadmap that will have this issue resolved.

[e111077]

N/A in M3