Revert "Fix F9 reversal."

This reverts commit 7dec772.

Author: mbm-OR

Source/RunActivity/Viewer3D/Cameras.cs

@@ -1076,7 +1076,7 @@ protected override void OnActivate(bool sameCamera)
             }
             else
             {
-                isVisibleTrainCarViewerOrWebpage = (Viewer.TrainCarOperationsWindow.Visible && !Viewer.TrainCarOperationsViewerWindow.Visible) || Viewer.TrainCarOperationsViewerWindow.Visible || (Viewer.TrainCarOperationsWebpage.Connections > 0 && Viewer.TrainCarOperationsWebpage.TrainCarSelected);
+                isVisibleTrainCarViewerOrWebpage = Viewer.TrainCarOperationsViewerWindow.Visible || (Viewer.TrainCarOperationsWebpage.Connections > 0 && Viewer.TrainCarOperationsWebpage.TrainCarSelected);
             }
 
             if (attachedCar == null || attachedCar.Train != Viewer.SelectedTrain || carPosition != oldCarPosition)

Source/RunActivity/Viewer3D/Popups/OSDCars.cs

@@ -82,7 +82,7 @@ public override void PrepareFrame(RenderFrame frame, ORTS.Common.ElapsedTime ela
                 //data from Webpage
                 var trainCarWebpage = Owner.Viewer.TrainCarOperationsWebpage;
                 var carIDWebpage = trainCarWebpage != null && trainCarWebpage.Connections > 0 ? trainCarWebpage.CurrentCarID : "";
-                bool isVisibleTrainCarViewerOrWebpage = (Owner.Viewer.TrainCarOperationsWindow.Visible && !Owner.Viewer.TrainCarOperationsViewerWindow.Visible) || Owner.Viewer.TrainCarOperationsViewerWindow.Visible || (trainCarWebpage != null && trainCarWebpage.Connections > 0 && Owner.Viewer.TrainCarOperationsWebpage.TrainCarSelected);
+                bool isVisibleTrainCarViewerOrWebpage = Owner.Viewer.TrainCarOperationsViewerWindow.Visible || (trainCarWebpage != null && trainCarWebpage.Connections > 0 && Owner.Viewer.TrainCarOperationsWebpage.TrainCarSelected);
                 foreach (var car in cars.Keys)
                 {
                     // Calculates distance between camera and platform label.