Add XDG_CURRENT_DESKTOP=Unity to autostart (#10903)
Add XDG_CURRENT_DESKTOP=Unity to autostart (#10903)

This works around an Electron problem where the taskbar icon doesn't appear;
see electron/electron#10887 .
keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client