(feat): do not show recent messages unopened on new session

Summary

Bill Ottman created this task in Asana.

Additional commentary: https://app.asana.com/0/621013995005190/768568036040442

Steps to reproduce

(How one can reproduce the issue - this is very important)

Platform information

(Browser, device, system stats, screen size)

What is the current bug behavior?

(What actually happens)

What is the expected correct behavior?

(What you should see instead)

Relevant logs and/or screenshots

Possible fixes

(If you can, link to the line of code that might be responsible for the problem)