This should be fixed with the 79.0~a1~hg20200625r537324 builds
https://bazaar.launchpad.net/~mozillateam/firefox/firefox-trunk.head/revision/2342
This should be fixed with the 79.0~a1~ hg20200625r5373 24 builds
https:/ /bazaar. launchpad. net/~mozillatea m/firefox/ firefox- trunk.head/ revision/ 2342