tweak link handling (#7857)

src/view/com/posts/PostFeedItem.tsx

@@ -506,6 +506,7 @@ let PostContent = ({
             numberOfLines={limitLines ? MAX_POST_LINES : undefined}
             style={[a.flex_1, a.text_md]}
             authorHandle={postAuthor.handle}
+            shouldProxyLinks={true}
           />
         </View>
       ) : undefined}