Layer should use event.composedPath() instead of event.path #6452
Description
Expected Behavior
Clicking outside of Layer shouldn't result in errors in Firefox
Actual Behavior
Clicking outside of a Layer in Firefox isn't working well because event.path isn't supported in Firefox
URL, screen shot, or Codepen exhibiting the issue
https://codesandbox.io/s/grommet-v2-template-forked-08rqb3?file=/index.js
Steps to Reproduce
- Open codesandbox example
- Click Open Layer button
Your Environment
- Grommet version: 2.27.0
- Browser Name and version: Firefox
- Operating System and version (desktop or mobile):