SUSE-SU-2020:3900-1 Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues: - Mozilla Thunderbird 78.6 new: MailExtensions: Added browser.windows.openDefaultBrowser bmo1664708 changed: Thunderbird now only shows quota exceeded indications on the main window bmo1671748 changed: MailExtensions: menus API enable...