ProfileFollows and ProfileFollowers cleanup (#3219)

* cleanup PostThread

rm some more unnecessary code

cleanup some more pieces

fix `isLoading` logic

few fixes

organize

refactor `PostThread`

allow chaining of `postThreadQuery`

Update `Hashtag` screen with the component changes

Make some changes to the List components

adjust height and padding of bottom loader to account for bottom bar

* rm unnecessary chaining logic

* maxReplies logic

* adjust error logic

* use `<` instead of `<=`

* add back warning comment

* remove unused prop

* adjust order

* implement list improvements for followers/follows

* update prop name

* small adjustments

fix flex

add window size

adjust isLoading

* remove log

* don't show retry for no results

* don't show error if `isLoading`

src/view/screens/ProfileFollowers.tsx

@@ -21,7 +21,7 @@ export const ProfileFollowersScreen = ({route}: Props) => {
   )
 
   return (
-    <View>
+    <View style={{flex: 1}}>
       <ViewHeader title={_(msg`Followers`)} />
       <ProfileFollowersComponent name={name} />
     </View>