I use Evernote, and I have a bookmark in my browsers for "clip to Evernote." What that does is call up a window (see attachment) that asks for the Evernote credentials. Obviously, I'd love to use 1P to fill in those credentials. BUT, 1P thinks that the page I'm on is the page of the underlying website I've browsed to, so 1P doesn't recognize this as a place to fill in my Evernote credentials. I can't use "Go and fill login," obviously, because that would take me away from the page I'm on!
I know this isn't 1P's fault, since it only knows what the underlying page is, but does someone have a clever workaround here?