[feat:] more correction margin options

CorrectionViewModel.cs

@@ -24,6 +24,12 @@ public class ExportOptionsViewModel : INotifyPropertyChanged
     }
 
     // Korrekturrand – RadioButtons mapped auf int
+    public bool IsCorrectionMarginMore
+    {
+        get => correctionMargin == 150;
+        set { if (value) { correctionMargin = 150; OnPropertyChanged(); } }
+    }
+    
     public bool IsCorrectionMarginHalf
     {
         get => correctionMargin == 100;