Fixed issue webmvc signalr not notifying submitting state

Author: Ramón Tomás

src/Web/WebMVC/Views/Shared/_Layout.cshtml

@@ -96,24 +96,23 @@
         if ('@User.Identity.IsAuthenticated' === 'True') {
             var timerId;
 
-            let connection = stablishConnection();
-            
-            connection.start().then(function () {
-                console.log('User Registered to Signalr Hub');
-            });
-
-            registerNotificationHandlers(connection);
+            stablishConnection((conn) => registerNotificationHandlers(conn));                                  
         }
 
-        function stablishConnection() {
-            return new signalR.HubConnectionBuilder()
+        function stablishConnection(cb) {
+            let connection = new signalR.HubConnectionBuilder()
                 .withUrl('@settings.Value.SignalrHubUrl/hub/notificationhub', {
                     transport: signalR.HttpTransportType.LongPolling,
                     accessTokenFactory: () => {
                         return "Authorization", getToken();
                     }
                 })
-                .build();
+                .build(); 
+            
+            connection.start().then(function () {
+                console.log('User Registered to Signalr Hub');
+                cb(connection);
+            });       
         }
 
         function registerNotificationHandlers(connection) {