Added popup for recipient deletion

frontend/pweb/lib/app/router/payout_shell.dart

@@ -112,13 +112,33 @@ RouteBase payoutShellRoute() => ShellRoute(
               context,
               recipient: recipient,
             ),
-            onDeleteRecipient: (recipient) => executeActionWithNotification(
+            onDeleteRecipient: (recipient) async {
+              final confirmed = await showDialog<bool>(
+                context: context,
+                builder: (dialogContext) => AlertDialog(
+                  title: Text(loc.delete),
+                  content: Text(loc.deleteRecipientConfirmation),
+                  actions: [
+                    TextButton(
+                      onPressed: () => Navigator.pop(dialogContext, false),
+                      child: Text(loc.cancel),
+                    ),
+                    ElevatedButton(
+                      onPressed: () => Navigator.pop(dialogContext, true),
+                      child: Text(loc.delete),
+                    ),
+                  ],
+                ),
+              );
+              if (confirmed != true) return;
+              await executeActionWithNotification(
               context: context,
               action: () async =>
                   context.read<RecipientsProvider>().delete(recipient.id),
               successMessage: loc.recipientDeletedSuccessfully,
               errorMessage: loc.errorDeleteRecipient,
-            ),
+              );
+            },
           ),
         );
       },