Automatic merge of T1.5.1-340-g907936445 and 9 pull requests

- Pull request #722 at fb9079e: Fix Windows Forms deprecations in ActivityEditor
- Pull request #732 at 1edb2e5: Improvements for air brakes
- Pull request #751 at 00981a2: Web interface to control cab controls with external hardware
- Pull request #767 at 4cb5c77: Refine sunrise and sunset
- Pull request #803 at 7157e08: Various adjustments to steam adhesion
- Pull request #807 at 791c0a3: fix: Stop z-fighting by pushing world/view/projection multiplications onto the GPU
- Pull request #809 at f67822a: Some on-screen messages not suppressed, Bug #2008012
- Pull request #810 at e2ad93e: Bug fix for AI train WP restart events don't work after save
- Pull request #811 at f784151: Bug fix for https://bugs.launchpad.net/or/+bug/2009842 DPU: wrong BP and MR values of helpers in display

Author: openrails-bot

Source/Orts.Simulation/Simulation/RollingStocks/MSTSDieselLocomotive.cs

@@ -1159,14 +1159,14 @@ public string GetDpuStatus(bool dataDpu, CABViewControlUnits loadUnits = CABView
                 status.AppendFormat("{0:F0}\t", brakeInfoValue);
 
                 // MR
-                status.AppendFormat("{0:F0}", FormatStrings.FormatPressure((Simulator.PlayerLocomotive as MSTSLocomotive).MainResPressurePSI, PressureUnit.PSI, (Simulator.PlayerLocomotive as MSTSLocomotive).BrakeSystemPressureUnits[BrakeSystemComponent.MainReservoir], true));
+                status.AppendFormat("{0:F0}", FormatStrings.FormatPressure(MainResPressurePSI, PressureUnit.PSI, (Simulator.PlayerLocomotive as MSTSLocomotive).BrakeSystemPressureUnits[BrakeSystemComponent.MainReservoir], true));
             }
             return status.ToString();
         }
 
         string brakeValue(string tokenIni, string tokenEnd) // used by GetDpuStatus(bool dataHud)
         {
-            string trainBrakeStatus = Simulator.PlayerLocomotive.GetTrainBrakeStatus();
+            string trainBrakeStatus = GetTrainBrakeStatus();
             var brakeInfoValue = "-";
             if (trainBrakeStatus.Contains(tokenIni) && trainBrakeStatus.Contains(tokenEnd))
             {