use hairline for feedlike (#6257)

src/view/com/feeds/FeedSourceCard.tsx

@@ -162,7 +162,10 @@ export function FeedSourceCardLoaded({
         style={[
           pal.border,
           {
-            borderTopWidth: showMinimalPlaceholder || hideTopBorder ? 0 : 1,
+            borderTopWidth:
+              showMinimalPlaceholder || hideTopBorder
+                ? 0
+                : StyleSheet.hairlineWidth,
             flexDirection: 'row',
             alignItems: 'center',
             flex: 1,

src/view/com/notifications/FeedItem.tsx

@@ -467,7 +467,12 @@ let FeedItem = ({
         {item.type === 'feedgen-like' && item.subjectUri ? (
           <FeedSourceCard
             feedUri={item.subjectUri}
-            style={[pal.view, pal.border, styles.feedcard]}
+            style={[
+              t.atoms.bg,
+              t.atoms.border_contrast_low,
+              a.border,
+              styles.feedcard,
+            ]}
             showLikes
           />
         ) : null}
@@ -778,7 +783,6 @@ const styles = StyleSheet.create({
     opacity: 0.8,
   },
   feedcard: {
-    borderWidth: 1,
     borderRadius: 8,
     paddingVertical: 12,
     marginTop: 6,