Set Outlook security registry keys for all Office versions

Apply to both 16.0 (2016-2024/365) and 15.0 (2013) registry
paths. Costs nothing and ensures it works regardless of which
Office version is installed.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/StarfaceOutlookSync/Models/UserSettings.cs

@@ -40,14 +40,18 @@ namespace StarfaceOutlookSync.Models
         }
 
         public void ApplyOutlookSecuritySetting()
+        {
+            // Alle Office-Versionen abdecken (16.0 = 2016/2019/2021/2024/365, 15.0 = 2013)
+            var versions = new[] { "16.0", "15.0" };
+
+            foreach (var ver in versions)
             {
                 try
                 {
-                var regPath = @"Software\Policies\Microsoft\Office\16.0\Outlook\Security";
+                    var regPath = $@"Software\Policies\Microsoft\Office\{ver}\Outlook\Security";
 
                     if (AutoAcceptOutlookPrompt)
                     {
-                    // Alle Outlook Object Model Guard Prompts unterdruecken
                         var key = Registry.CurrentUser.CreateSubKey(regPath);
                         key.SetValue("ObjectModelGuard", 2, RegistryValueKind.DWord);
                         key.SetValue("PromptOOMAddressBookAccess", 2, RegistryValueKind.DWord);
@@ -64,10 +68,8 @@ namespace StarfaceOutlookSync.Models
                     }
                     else
                     {
-                    // Zurueck auf Standard (Werte loeschen)
                         try
                         {
-                        // Kompletten Security-Schluessel entfernen
                             Registry.CurrentUser.DeleteSubKey(regPath, false);
                         }
                         catch { }
@@ -77,3 +79,4 @@ namespace StarfaceOutlookSync.Models
             }
         }
     }
+}