Change many border widths from 1 to hairlineWidth (#4294)

* feed items

* update some more

* moar

* profile card

* composer and notifications

* settings screen

* remove border from first item in feeds

* remove border from first item in feeds

* more removal of top border

* fix flatlist rendering

* oops

* scroll to top fab

* a.border

* centeredview/list

* placeholder

* web sidebar

* search posts

* feeds list

* user lists

* list header

* account list width 1

* hide top border feedgens

* same for lists

* fix tab bar web desktop

* wait...

* show the border on desktop web

* fix lists

* fix lists

* round

src/view/com/profile/ProfileCard.tsx

@@ -25,6 +25,7 @@ import {Link} from '../util/Link'
 import {Text} from '../util/text/Text'
 import {PreviewableUserAvatar} from '../util/UserAvatar'
 import {FollowButton} from './FollowButton'
+import hairlineWidth = StyleSheet.hairlineWidth
 
 export function ProfileCard({
   testID,
@@ -280,7 +281,7 @@ export function ProfileCardWithFollowBtn({
 
 const styles = StyleSheet.create({
   outer: {
-    borderTopWidth: 1,
+    borderTopWidth: hairlineWidth,
     paddingHorizontal: 6,
     paddingVertical: 4,
   },