Enhance interaction handling: add confirmation dialog for deleting verification images and ensure OnSuccess callback is invoked after adding interactions

Co-authored-by: Copilot <copilot@github.com>

FoodsharingSiegen.Server/Controls/ProspectContainer.razor.cs

@@ -43,7 +43,20 @@ namespace FoodsharingSiegen.Server.Controls
             {
                 var headerText = $"{type.Translate(AppSettings)} für {Prospect.Name} eintragen";
 
-                await InteractionDialog.ShowAsync(ModalService, new(type, Prospect.Id, headerText, OnDataChanged));
+                Func<Task> onSuccess = async () =>
+                {
+                    if (type == InteractionType.IdCheck && Prospect.Images != null && Prospect.Images.Count > 0)
+                    {
+                        await ConfirmDialog.ShowAsync(ModalService, "Personalausweisbilder löschen?", $"Möchtest du die Personalausweisbilder von {Prospect.Name} löschen? Diese werden für die weitere Bearbeitung nicht mehr benötigt und enthalten persönliche Daten.", async () =>
+                        {
+                            var result = await ProspectService.DeleteVerificationImagesAsync(Prospect.Id);
+                            await OnDataChanged();
+                        });
+                    }
+                    await OnDataChanged();
+                };
+
+                await InteractionDialog.ShowAsync(ModalService, new(type, Prospect.Id, headerText, onSuccess));
             }
         }
 

FoodsharingSiegen.Server/Dialogs/InteractionDialog.razor.cs

@@ -127,9 +127,10 @@ namespace FoodsharingSiegen.Server.Dialogs
             Interaction.UserID = CurrentUser.Id;
 
             var addR = await ProspectService.AddInteraction(Interaction);
-            if (addR.Success && OnSuccess != null) await OnSuccess.Invoke();
 
             await ModalService.Hide();
+
+            if (addR.Success && OnSuccess != null) await OnSuccess.Invoke();
         }
 
         #endregion