Clicking the (?) in the footer of the Add-on window doesn't do anything and produces an error in Chrome Console:
Unsafe attempt to initiate navigation for frame with origin 'https://docs.google.com' from frame with URL 'https://n-iuogkxbn2sa775flbhawthhj7aunrmf3qvds76a-0lu-script.googleusercontent.com/userCodeAppPanel'. The frame attempting navigation of the top-level window is sandboxed, but the flag of 'allow-top-navigation' or 'allow-top-navigation-by-user-activation' is not set.
Description
Clicking the (?) in the footer of the Add-on window doesn't do anything and produces an error in Chrome Console:
https://user-images.githubusercontent.com/39308239/123101082-5b4f9300-d43c-11eb-9ab8-57aa36be46aa.mov
Device information