PLT-2697 Fixing team admins (#2900)

* PLT-2697 Fixing team admins

* Fixing eslint error

* Fixing loc issues

* Fixing func

* Fixing func

webapp/components/sidebar_right_menu.jsx

@@ -7,6 +7,7 @@ import UserSettingsModal from './user_settings/user_settings_modal.jsx';
 import AboutBuildModal from './about_build_modal.jsx';
 
 import UserStore from 'stores/user_store.jsx';
+import TeamStore from 'stores/team_store.jsx';
 import PreferenceStore from 'stores/preference_store.jsx';
 
 import * as GlobalActions from 'action_creators/global_actions.jsx';
@@ -77,8 +78,8 @@ export default class SidebarRightMenu extends React.Component {
         var isSystemAdmin = false;
 
         if (currentUser != null) {
-            isAdmin = Utils.isAdmin(currentUser.roles);
-            isSystemAdmin = Utils.isSystemAdmin(currentUser.roles);
+            isAdmin = TeamStore.isTeamAdminForCurrentTeam() || UserStore.isSystemAdminForCurrentUser();
+            isSystemAdmin = UserStore.isSystemAdminForCurrentUser();
 
             inviteLink = (
                 <li>