Fix load more buttons

graph/resolvers/asset.js

@@ -1,4 +1,11 @@
 const Asset = {
+  lastComment({id}, _, {loaders: {Comments}}) {
+    return Comments.getByQuery({
+      asset_id: id,
+      limit: 1,
+      parent_id: null
+    }).then(data => data[0]);
+  },
   recentComments({id}, _, {loaders: {Comments}}) {
     return Comments.genRecentComments.load(id);
   },

graph/typeDefs.graphql

@@ -413,6 +413,9 @@ type Asset {
   # The URL that the asset is located on.
   url: String
 
+  # Returns last comment
+  lastComment: Comment
+
   # Returns recent comments
   recentComments: [Comment]