PLT-4233 When internet reconnects, reconnect websocket and grab latest posts, etc. (#4500)

* When internet reconnects, reconnect websocket and grab latest posts, etc.

* Rename internet connection variable

webapp/routes/route_team.jsx

@@ -7,6 +7,7 @@ import {browserHistory} from 'react-router/es6';
 
 import TeamStore from 'stores/team_store.jsx';
 import * as GlobalActions from 'actions/global_actions.jsx';
+import {loadStatusesForChannelAndSidebar} from 'actions/status_actions.jsx';
 import AppDispatcher from 'dispatcher/app_dispatcher.jsx';
 import Constants from 'utils/constants.jsx';
 const ActionTypes = Constants.ActionTypes;
@@ -85,6 +86,8 @@ function preNeedsTeam(nextState, replace, callback) {
                 channels: data
             });
 
+            loadStatusesForChannelAndSidebar();
+
             d1.resolve();
         },
         (err) => {