[Default Applications]
x-scheme-handler/tg=org.telegram.desktop.desktop
x-scheme-handler/mailto=userapp-Thunderbird-9OGUS1.desktop
message/rfc822=userapp-Thunderbird-9OGUS1.desktop
x-scheme-handler/mid=userapp-Thunderbird-9OGUS1.desktop

[Added Associations]
x-scheme-handler/tg=userapp-Telegram Desktop-R78RR1.desktop;org.telegram.desktop.desktop;
x-scheme-handler/mailto=userapp-Thunderbird-9OGUS1.desktop;
x-scheme-handler/mid=userapp-Thunderbird-9OGUS1.desktop;