ueno/firefox-check-friendly

This is an experimental build with a patch from [upstream bug](https://bugzilla.mozilla.org/show_bug.cgi?id=1579023) to fix [random PIN popup issue](https://bugzilla.redhat.com/show_bug.cgi?id=1650578).


This is a companion discussion topic for the original entry at https://copr.fedorainfracloud.org/coprs/ueno/firefox-check-friendly/