[chore:] adapt button enabeling to existance of PersonErrors

MainWindow.axaml

@@ -104,52 +104,67 @@
                             <StackPanel Grid.Row="1"  Orientation="Horizontal" Spacing="10" HorizontalAlignment="Center"
                                         Margin="0,0,5,0">
                                 <Button  Width="250" HorizontalContentAlignment="Center"
-                                        Margin="0,0,0,10" IsEnabled="False"
+                                        Margin="0,0,0,10" IsEnabled="False" VerticalAlignment="Stretch"
                                         x:Name="BtnCheck" Click="BtnCheck_OnClick">
+                                    <StackPanel Orientation="Vertical">
                                         <StackPanel Orientation="Horizontal">
                                             <LucideIcon Kind="SpellCheck" Width="36" Height="36" />
                                             <Label Content="Prüfen" VerticalContentAlignment="Center" FontSize="15"
                                                    FontWeight="Bold" />
                                         </StackPanel>
+                                        <TextBlock TextWrapping="Wrap" FontSize="9" Text="Prüft alle Adressen auf Fehler." HorizontalAlignment="Stretch" TextAlignment="Left"></TextBlock>
+                                    </StackPanel>
                                 </Button>
                                 <Button Width="250" IsEnabled="False"
                                         HorizontalContentAlignment="Center"
-                                        Click="BtnCombine_OnClick" x:Name="BtnCombine"
+                                        Click="BtnCombine_OnClick" x:Name="BtnCombine"  VerticalAlignment="Stretch"
                                         Margin="0,0,0,10">
+                                    <StackPanel Orientation="Vertical">
                                         <StackPanel Orientation="Horizontal">
                                             <LucideIcon Kind="Combine" Width="36" Height="36" />
                                             <Label Content="Zusammenführen" VerticalContentAlignment="Center" FontSize="15"
                                                    FontWeight="Bold" />
                                         </StackPanel>
+                                        <TextBlock TextWrapping="Wrap" FontSize="9" Text="Führt mehrere Adress-Sets auf verschiedene Art und Weise zusammen." HorizontalAlignment="Stretch" TextAlignment="Left"></TextBlock>
+                                    </StackPanel>
                                 </Button>
                                 <Button Width="250" IsEnabled="False" Click="BtnShorten_OnClick"
-                                        HorizontalContentAlignment="Center" x:Name="BtnShorten"
+                                        HorizontalContentAlignment="Center" x:Name="BtnShorten" VerticalAlignment="Stretch"
                                         Margin="0,0,0,10">
+                                    <StackPanel Orientation="Vertical">
                                         <StackPanel Orientation="Horizontal">
                                             <LucideIcon Kind="ListX" Width="36" Height="36" />
                                             <Label Content="Kürzen" VerticalContentAlignment="Center" FontSize="15"
                                                    FontWeight="Bold" />
                                         </StackPanel>
+                                        <TextBlock TextWrapping="Wrap" FontSize="9" Text="Entfernt alle Fehlerhaften Adressen (ggf. bitte vorher Reparieren). Setzt Prüfung voraus." HorizontalAlignment="Stretch" TextAlignment="Left"></TextBlock>
+                                    </StackPanel>
                                 </Button>
                                 <Button Width="250" IsEnabled="False"
                                         Click="BtnGenerateLabels_OnClick"
-                                        HorizontalContentAlignment="Center" x:Name="BtnGenerateLabels"
+                                        HorizontalContentAlignment="Center" x:Name="BtnGenerateLabels" VerticalAlignment="Stretch"
                                         Margin="0,0,0,10">
+                                    <StackPanel Orientation="Vertical">
                                         <StackPanel Orientation="Horizontal">
                                             <LucideIcon Kind="Tags" Width="36" Height="36" />
                                             <Label Content="Etiketten generieren" VerticalContentAlignment="Center"
                                                    FontSize="15"
                                                    FontWeight="Bold" />
                                         </StackPanel>
+                                        <TextBlock TextWrapping="Wrap" FontSize="9" Text="Generiert Versandetiketten und Bundleitzettel" HorizontalAlignment="Stretch" TextAlignment="Left"></TextBlock>
+                                    </StackPanel>
                                 </Button>
                                 <Button Width="250" IsEnabled="False"
-                                        HorizontalContentAlignment="Center" x:Name="BtnRepair"
+                                        HorizontalContentAlignment="Center" x:Name="BtnRepair" VerticalAlignment="Stretch"
                                         Margin="0,0,0,10">
+                                    <StackPanel Orientation="Vertical">
                                         <StackPanel Orientation="Horizontal">
                                             <LucideIcon Kind="Hammer" Width="36" Height="36" />
                                             <Label Content="Reparieren" VerticalContentAlignment="Center" FontSize="15"
                                                    FontWeight="Bold" />
                                         </StackPanel>
+                                        <TextBlock TextWrapping="Wrap" FontSize="9" Text="Versucht, verschiedene Adressaspekte zu reparieren. Setzt Prüfung voraus." HorizontalAlignment="Stretch" TextAlignment="Left"></TextBlock>
+                                    </StackPanel>
                                 </Button>
                             </StackPanel>
                         <!-- </Grid> -->

MainWindow.axaml.cs

@@ -698,10 +698,23 @@ public partial class MainWindow : Window
             BtnCheck.IsEnabled = true;
             BtnCombine.IsEnabled = true;
             BtnGenerateLabels.IsEnabled = true;
-            BtnShorten.IsEnabled = true;
             
+            // check for existing errors, otherwise disable the features
+            foreach(KasPerson pers in (LstCustomerAdressSets.SelectedItem as KasAddressList).KasPersons)
+                if (pers.PersonError != null)
+                {
+                    BtnShorten.IsEnabled = true;
                     // BtnRepair.IsEnabled = true;
-            // BtnShorten.IsEnabled = true;
+                    break;
+                }
+                else
+                {
+                    BtnShorten.IsEnabled = false;
+                    BtnRepair.IsEnabled = false;
+                }
+
+            
+            
         }
     }