net-im/telegram-desktop: update from 4.2.4 to 4.4.1

Patches obtained from: https://cvsweb.openbsd.org/cgi-bin/cvsweb/ports/net/tdesktop/patches/
Hotfix for Qt5: https://github.com/telegramdesktop/tdesktop/commit/5990b0fabf4c28e70955b4b52965609dc282a5fe

Special thanks to: Klemens Nanni <kn@openbsd.org>