Onboarding & feed fixes (#1602)

* Fix: improve the 'end of feed' detection condition

* Fix the feeds link on mobile in the empty state

* Align the following empty state better on web

* Dont autofocus the search input in the search tab

* Fix the error boundary render

* Add 'end of feed' CTA to following feed

* Reduce the default feeds to discover now that we have feed-selection during onboarding

* Fix case where loading spinner fails to stop rendering in bottom of feed

* Fix: dont show loading spinner at footer of feed when refreshing

* Fix: dont fire reminders during onboarding

* Optimize adding feeds and update to mirror the api behaviors more closely

* Use the lock in preferences to avoid clobbering in-flight updates

* Refresh the feed after onboarding to ensure content is visible

* Remove the now-incorrect comment

* Tune copy

src/view/com/auth/onboarding/RecommendedFeedsItem.tsx

@@ -30,7 +30,6 @@ export const RecommendedFeedsItem = observer(function RecommendedFeedsItemImpl({
       }
     } else {
       try {
-        await item.save()
         await item.pin()
       } catch (e) {
         Toast.show('There was an issue contacting your server')