Redirect if you log in from the 404 page takes you to the 404 page

[happy-river]

• Log out
• type https://phuks.co/xyzzy in your browser's address bar
• At the 404 page, choose log in
• Enter username and password, and choose Log in

Result: You're still looking at the 404, except now you're logged in Expected: If it isn't a valid route, redirect to the home page instead