graph2: Fixed post change on move not including all posts as objects.

graph2/queries/post.go

@@ -126,7 +126,7 @@ func (r *mutationResolver) MovePost(ctx context.Context, input input.PostMoveInp
 			log = models.Log{ID: post.LogID}
 		}
 
-		changes.Submit("Post", "move", token.UserID, true, changekeys.Many(log, posts), post)
+		changes.Submit("Post", "move", token.UserID, true, changekeys.Many(log, posts), posts)
 	}()
 
 	return posts, nil