Fix out of range index in 3D cabs

Author: cesarBLG

Source/RunActivity/Viewer3D/Viewer.cs

@@ -1622,13 +1622,15 @@ public void ChangeCab()
             PlayerLocomotiveViewer = World.Trains.GetViewer(Simulator.PlayerLocomotive);
             if (PlayerLocomotiveViewer is MSTSLocomotiveViewer && (PlayerLocomotiveViewer as MSTSLocomotiveViewer)._hasCabRenderer)
                 AdjustCabHeight(DisplaySize.X, DisplaySize.Y);
+
+            ThreeDimCabCamera.ChangeCab(Simulator.PlayerLocomotive);
+            HeadOutForwardCamera.ChangeCab(Simulator.PlayerLocomotive);
+            HeadOutBackCamera.ChangeCab(Simulator.PlayerLocomotive);
+
             if (!Simulator.PlayerLocomotive.HasFront3DCab && !Simulator.PlayerLocomotive.HasRear3DCab)
                 CabCamera.Activate(); // If you need anything else here the cameras should check for it.
             else ThreeDimCabCamera.Activate();
             SetCommandReceivers();
-            ThreeDimCabCamera.ChangeCab(Simulator.PlayerLocomotive);
-            HeadOutForwardCamera.ChangeCab(Simulator.PlayerLocomotive);
-            HeadOutBackCamera.ChangeCab(Simulator.PlayerLocomotive);
             if (MPManager.IsMultiPlayer())
                 MPManager.LocoChange(Simulator.PlayerLocomotive.Train, Simulator.PlayerLocomotive);
             Simulator.Confirmer.Confirm(CabControl.ChangeCab, CabSetting.On);