[MPP-1708] Popup Refactor - Add-on QA Fixes (#472)

* Move news annoucements for geo-specific items behind correct logic gates

* WIP: Add additional logged in/out loggic, and add focus states

* Add additional logic to focus on correct element

* Move news items to state

* Add logic to remove the news panel all together if user is ineligible for any news items

* Refactor news list building logic inside the core popup function

* Move Firefox Integration news item into logic check

* Remove 'report issue' link if not logged in