Fix heads signalR functions name Backend + Frontend

Step/Listeners/SignalR/SignalRListener.cs

@@ -213,7 +213,7 @@ namespace Step.Listeners.SignalR
             // Send user softKeys 
             context.Clients.Group("ncData").userSoftKeys(LastUserSoftKeysData);
             // Send heads data
-            context.Clients.Group("ncData").heads(LastHeadsData);
+            context.Clients.Group("ncData").headsData(LastHeadsData);
             // Send axesNames data
             context.Clients.Group("ncData").axesNames(LastAxesNamesData);
 

Step/wwwroot/src/services/hub.ts

@@ -58,7 +58,7 @@ export class Hub {
 
     this._hub.client.ncSoftKeys = Hub.ncSoftKeyChanged;
     this._hub.client.ncSoftKeys = Hub.userSoftKeyChanged;
-    this._hub.client.heads = Hub.headsDataChanged;
+    this._hub.client.headsData = Hub.headsDataChanged;
 
     this._hub.client.logout = this.logout;