Update GUI with power supply's voltage and current readings

Source/Program/Actions/UutPowerAction.cs

@@ -119,6 +119,8 @@ namespace ProgramLib
 
                   if (_sttoSuccess)
                   {
+                     Program.Instance()._powerSupplySharedData.ResetAll();
+
                      ProgramLib.Program.Instance().GetGuiManager()[ProgramGuiManager.WINDOWS.IMPEDANCE_CHECK].Dispatcher.Invoke((Action)delegate
                      {
                         ProgramLib.Program.Instance().GetGuiManager()[ProgramGuiManager.WINDOWS.MAIN].Show();