Fix pantograph 1 raise confirmation message

https://bugs.launchpad.net/or/+bug/1943763

Author: Sharpe49

Source/Orts.Simulation/Simulation/RollingStocks/SubSystems/PowerSupplies/Pantograph.cs

@@ -347,7 +347,7 @@ public void HandleEvent(PowerSupplyEvent evt)
                             default:
                             case 1:
                                 soundEvent = Event.Pantograph1Up;
-                                Confirm(CabControl.Pantograph4, CabSetting.On);
+                                Confirm(CabControl.Pantograph1, CabSetting.On);
                                 break;
 
                             case 2: