Fix ignored users when not logged in

graph/resolvers/root_query.js

@@ -84,6 +84,9 @@ const RootQuery = {
   },
 
   myIgnoredUsers: async (_, args, {user, loaders: {Users}}) => {
+    if (!user) {
+      return null;
+    }
 
     // get currentUser again since context.user was out of date when running test/graph/mutations/ignoreUser
     const currentUser = (await Users.getByQuery({ids: [user.id], limit: 1}))[0];