Add first round of labeling tools (#467)

* Rework notifications to sync locally in full and give users better control

* Fix positioning of load more btn on web

* Improve behavior of load more notifications btn

* Fix to post rendering

* Fix notification fetch abort condition

* Add start of post-hiding by labels

* Create a standard postcontainer and improve show/hide UI on posts

* Add content hiding to expanded post form

* Improve label rendering to give more context to users when appropriate

* Fix rendering bug

* Add user/profile labeling

* Implement content filtering preferences

* Filter notifications by content prefs

* Update test-pds config

* Bump deps

src/view/com/notifications/Feed.tsx

@@ -45,7 +45,6 @@ export const Feed = observer(function Feed({
   const onRefresh = React.useCallback(async () => {
     try {
       await view.refresh()
-      await view.markAllRead()
     } catch (err) {
       view.rootStore.log.error('Failed to refresh notifications feed', err)
     }