I use the latest Firefox 57 and understand that Jidesha isn't required
anymore. However, when clicking the screen sharing icon I'm prompted to
select a certain window but I don't have the choice to select the entire
screen. This is important for me because I want to demonstrate the usage
of the desktop with several applications. Is there a way to share the
entire screen when using Firefox?
Note: When using Chromium I *can* select the entire screen.