message: track timing of the initial init and the vue mount
diff: @@ -24,11 +24,14 @@ export class App extends Vue {
  Connection = makeObservableService(Connection);
  created() {
  + Analytics.trackTiming('shell', 'vue-init', Date.now() - window._gjStartTime);
  + }
  +
  + mounted() {
  // Let it finish doing all the initial rendering junk and track after
  // that.
  setTimeout(() => {
  - const ms = Date.now() - window._gjStartTime;
  - Analytics.trackTiming('shell', 'vue-start', ms);
  + Analytics.trackTiming('shell', 'vue-mounted', Date.now() - window._gjStartTime);
  });
  }
  }
  