Retry websocket connect if error returned is 502

* Retry websocket connect if error returned is 502

* Introduce connect button on 'Disconnected' left-pane dialog

* NetworkStatus: If user clicks connect, show connecting for 5s

ts/components/NetworkStatus.stories.tsx

@@ -19,6 +19,7 @@ const defaultProps = {
   isRegistrationDone: true,
   socketStatus: 0,
   relinkDevice: action('relink-device'),
+  manualReconnect: action('manual-reconnect'),
   withinConnectingGracePeriod: false,
 };
 
@@ -41,12 +42,6 @@ const permutations = [
       socketStatus: 3,
     },
   },
-  {
-    title: 'Offline',
-    props: {
-      isOnline: false,
-    },
-  },
   {
     title: 'Unlinked (online)',
     props: {
@@ -60,6 +55,12 @@ const permutations = [
       isRegistrationDone: false,
     },
   },
+  {
+    title: 'Offline',
+    props: {
+      isOnline: false,
+    },
+  },
 ];
 
 storiesOf('Components/NetworkStatus', module)