One thing I really wish when it comes to Firefox Containers if I create a container for Gmail and am logged into Google I want all the email links (mailto:) to

One thing I really wish when it comes to Firefox Containers if I create a container for Gmail and am logged into Google I want all the email links (mailto:) to open in that container. I know currently you can have all the sites with a specific URL to open in specific containers but I'm not sure if there is a way to open various protocols in separate containers.