fix user posts/comments fetchMore

lib/apollo.js

@@ -48,7 +48,7 @@ export default function getApolloClient () {
                 return {
                   cursor: incoming.cursor,
                   items: [...(existing?.items || []), ...incoming.items],
-                  pins: existing?.pins
+                  pins: existing?.pins || null
                 }
               }
             },

pages/[name]/comments.js

@@ -23,7 +23,7 @@ export default function UserComments (
       <UserHeader user={user} />
       <CommentsFlat
         comments={comments} cursor={cursor}
-        variables={{ name: user.name }} includeParent noReply
+        variables={{ name: user.name, sort: 'user' }} includeParent noReply
       />
     </Layout>
   )