Post layout tweaks (#53)

* Increase left margin on feed and embiggen avis

* Decrease feed margins a bit

* Tweak post bottom margin

* Update loading placeholder to match feed

* Update 'view full thread' positioning

* Update postthread to match feed layout

* Update notifications and individual post to match new layout

* Add missing aborted check

src/view/com/notifications/FeedItem.tsx

@@ -230,6 +230,7 @@ function AdditionalPostText({
 const styles = StyleSheet.create({
   outer: {
     padding: 10,
+    paddingRight: 15,
     borderTopWidth: 1,
   },
   outerUnread: {
@@ -239,7 +240,7 @@ const styles = StyleSheet.create({
     flexDirection: 'row',
   },
   layoutIcon: {
-    width: 60,
+    width: 70,
     alignItems: 'flex-end',
     paddingTop: 2,
   },