message: Fix Community Panel preference not taking effect until some refreshing
diff: @@ -54,6 +54,8 @@ const LeftPanel = createReactClass({
  this._settingWatchRef = SettingsStore.watchSetting(
  "breadcrumbs", null, this._onBreadcrumbsChanged);
  + this._settingWatchRef1 = SettingsStore.watchSetting(
  + "TagPanel.enableTagPanel", null, () => this.forceUpdate());
  const useBreadcrumbs = !!SettingsStore.getValue("breadcrumbs");
  Analytics.setBreadcrumbs(useBreadcrumbs);
  @@ -62,6 +64,7 @@ const LeftPanel = createReactClass({
  componentWillUnmount: function() {
  SettingsStore.unwatchSetting(this._settingWatchRef);
  + SettingsStore.unwatchSetting(this._settingWatchRef1);
  },
  shouldComponentUpdate: function(nextProps, nextState) {
  