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

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

src/lib/routes/links.ts

@@ -1,4 +1,4 @@
-import {AppBskyGraphDefs, AtUri} from '@atproto/api'
+import {type AppBskyGraphDefs, AtUri} from '@atproto/api'
 
 import {isInvalidHandle} from '#/lib/strings/handles'