Actually we have the challenge that the external page which is loaded in
the dashboard needs to know the context where it is loaded, e.g. in
which project, so that we can display project specific contents. In the
old/current interface we've parsed the project ID out of the HTTP
referrer information (header), so that we're able to display project
specific content. Unfortunately in the new beta interface this referrer
information doesn't contain the project ID anymore, because the Iframe
(external...