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/util/ViewHeader.tsx

@@ -15,6 +15,7 @@ import {NavigationProp} from 'lib/routes/types'
 import {useTheme} from '#/alf'
 import {Text} from './text/Text'
 import {CenteredView} from './Views'
+import hairlineWidth = StyleSheet.hairlineWidth
 
 const BACK_HITSLOP = {left: 20, top: 20, right: 50, bottom: 20}
 
@@ -156,7 +157,7 @@ function DesktopWebHeader({
         styles.desktopHeader,
         pal.border,
         {
-          borderBottomWidth: showBorder ? 1 : 0,
+          borderBottomWidth: showBorder ? hairlineWidth : 0,
         },
         {display: 'flex', flexDirection: 'column'},
       ]}>
@@ -245,7 +246,7 @@ const styles = StyleSheet.create({
     marginRight: 'auto',
   },
   border: {
-    borderBottomWidth: 1,
+    borderBottomWidth: hairlineWidth,
   },
   titleContainer: {
     marginLeft: 'auto',