Steps to reproduce the behavior

1. Enable Show advanced dashboard pages under Dashboard appearance
2. Go Directly to wordpress.com/pages
3. Click edit under the ellipsis dropdown of one of the pages
4. Instead of taking me to the edit page, it takes me to WP Admin POSTS dashboard wp-admin/edit.php

What I expected to happen

I expect to land on my edit page:

What actually happened

Instead of taking me to the edit page, it takes me to wp-admin/edit.php

Context

Reported by our moderator in the WordPress.com forums:
https://wordpress.com/forums/topic/new-navigation-oddity/

Browser / OS version

N/A. This appears to impact all browsers.

Is this specific to the applied theme? Which one?

No.

Does this happen on simple or atomic sites or both?

This affects both simple and atomic sites.

Is there any console output or error text?

No.

Level of impact (Does it block purchases? Does it affect more than just one site?)

It happens on all sites. Anyone who either clicks on a hyperlink to http://wordpress.com/pages or types and goes directly to http://wordpress.com/pages while Show advanced dashboard pages is enabled will encounter this

Reproducibility (Consistent, Intermittent) Leave empty for consistent.

Screenshot / Video: If applicable, add screenshots to help explain your problem.

See above.