Handle notifications on first load (#8629)

* add getInitialURL

* get deep linking working

* actually handle as push instead

* push to route instead of setting initial path

* pop to on top of notifications

* fix comment

* change chat-message handling

* add metrics

* don't reopen due to notif multiple times

* extract data from notification differently on android

* sorry sorry annoying naming nits, align logger

---------

Co-authored-by: Eric Bailey <git@esb.lol>

src/logger/metrics.ts

@@ -26,6 +26,7 @@ export type MetricEvents = {
   }
   'notifications:openApp': {
     reason: NotificationReason
+    causedBoot: boolean
   }
   'notifications:request': {
     context: 'StartOnboarding' | 'AfterOnboarding' | 'Login' | 'Home'