GameData Changes

- when changing the gamedata files (add, delete, reload) it will reload all the gamedata files and repopulate the server managers.
- updated the viewmodels to check for valid class names.

src/ConanServerManager/UserControls/GlobalSettingsControl.xaml.cs

@@ -63,6 +63,8 @@ namespace ServerManagerTool
             }
 
             this.DataContext = this;
+
+            GameData.GameDataLoaded += GameData_GameDataLoaded;
         }
 
         public App AppInstance
@@ -398,14 +400,19 @@ namespace ServerManagerTool
             e.Handled = true;
         }
 
+        private void GameData_GameDataLoaded(object sender, EventArgs e)
+        {
+            PopulateRconMessageModesComboBox();
+        }
+
         private void LanguageSelectionComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
         {
             Config.CultureName = AvailableLanguages.Instance.SelectedLanguage;
 
             PopulateWindowsStatesMainWindowComboBox();
             PopulateWindowsStatesServerMonitorWindowComboBox();
-            PopulateRconMessageModesComboBox();
             PopulateTaskPrioritiesComboBox();
+            GameData_GameDataLoaded(sender, e);
 
             App.Instance.OnResourceDictionaryChanged(Config.CultureName);
         }
@@ -492,6 +499,11 @@ namespace ServerManagerTool
             }
         }
 
+        public void CloseControl()
+        {
+            GameData.GameDataLoaded -= GameData_GameDataLoaded;
+        }
+
         private void PopulateWindowsStatesMainWindowComboBox()
         {
             var selectedValue = this.WindowStateMainWindowComboBox?.SelectedValue ?? Config.MainWindow_WindowState;