Create PurpleAuthorizationRequest and use it for notifications.
Review Request #1613 — Created Aug. 21, 2022 and submitted — Latest diff uploaded
This replaces the old internal representation of authorization requests as well as the UI's implementation of their own objects. Everything is now controlled via PurpleAuthorizationRequest and the UI's display the notification for interaction.
Verified the notification and actions work in both finch and pidgin.