Prepare Data History Provider 2.7 integration update

- modularize Citrix and agent integrations and add remote desktop endpoints
- extend ticket overview, ticket links, token validation, and staged relation handling
- update configuration, licensing, project, signing, and publish artifacts

F4SDwebService/Global.asax.cs

@@ -131,6 +131,9 @@ namespace F4SDwebService
                 if (Collector.M42WpmCollector != null)
                     await Collector.M42WpmCollector.ValidateConnectionAsync(true, CancellationToken.None);
 
+                if (Collector.CitrixCollector != null)
+                    await Collector.CitrixCollector.ValidateConnectionsAsync(CancellationToken.None);
+
                 Collector.ServerStatus = C4IT.FASD.Base.enumWebServerStatus.active;
             }
             catch (Exception E)