Fixed loading .modeli file (at least for a fresh start)

UI/MainWindow.cs

@@ -125,9 +125,15 @@ namespace ModeliChart.UI
                 CreateModelInstanceArea(modelInstances);
             }
             // Cleanup old simulation
+            try
+            {
                 await simulation.Stop();
                 await dataRepository.ClearAsync();
                 simulation.Dispose();
+            }catch(Exception e)
+            {
+                ConsoleLogger.WriteLine("MainWindow", "Failed to clean old simulation: " + e.Message);
+            }
             // Replace the simulation
             simulation = newSimulation;
             dataStorer = new SimulationDataStorer(simulation, dataRepository);
@@ -624,11 +630,13 @@ namespace ModeliChart.UI
                 // Swap the simulation only if loading the simulation was successfull
                 var newSimulation = await workspace.SimulationConfig.LoadSimulationAsync(workspace.ModelRepository);
                 await ReplaceSimulation(newSimulation);
+                ConsoleLogger.WriteLine("MainWindow", "Replaced the simulation");
                 StatusLogger.Progress = 50;
                 // Reload parameters from workspace
                 await workspace.ParameterRepository.LoadAsync(simulation,
                     simulation.ModelInstances.SelectMany(instance => instance.Channels));
                 StatusLogger.Progress = 70;
+                ConsoleLogger.WriteLine("MainWindow", "Loaded parametrized channels");
                 // Create instruments
                 workspace.UiConfig.LoadConfig(simulation, dataRepository);
                 foreach (var (AreaTitle, Instruments) in workspace.UiConfig.InstrumentAreas)
@@ -636,6 +644,7 @@ namespace ModeliChart.UI
                     AddInstrumentArea(new InstrumentArea(AreaTitle, Instruments));
                 }
                 StatusLogger.Progress = 90;
+                ConsoleLogger.WriteLine("MainWindow", "Updated instruments");
                 // Load time values
                 // TODO use properties
                 ribTxtSimInterval.TextBoxText = (1.0 / simulation.GetStepSize()).ToString();