Bugfix: Subscribers of app events must be reset when restarting

I18N Commander/UI WinForms/AppEvents.cs

@@ -4,7 +4,15 @@ namespace UI_WinForms;
 
 internal static class AppEvents
 {
-    #region Event: Settings were 
+    internal static void ResetAllSubscriptions()
+    {
+        WhenSettingsChanged = null;
+        WhenSectionChanged = null;
+        WhenTextElementChanged = null;
+        WhenTranslationChanged = null;
+    }
+    
+    #region Event: Settings were
     
     internal static event EventHandler? WhenSettingsChanged;
     

I18N Commander/UI WinForms/Components/Main.cs

@@ -16,6 +16,7 @@ public partial class Main : UserControl
             if(result == DialogResult.Yes)
             {
                 Program.RestartMainApp = true;
+                AppEvents.ResetAllSubscriptions();
                 this.ParentForm!.Close();
             }
         }