message: setmodified only on changes to the domain store
diff: @@ -2,7 +2,7 @@ import { spy } from "mobx";
  export default function(project) {
  spy((event) => {
  - if (event.type === "action" && event.name !== "setModified") {
  + if (event.object && event.object.constructor.name === "ProjectStore" && event.type === "action" && event.name !== "setModified") {
  project.setModified();
  }
  });
  