Fix PHPStan errors and remove Smarty back-office templates

Command/TreatOrderMultiPaymentCommand.php

@@ -6,6 +6,7 @@
 use PayPlugModule\Model\OrderPayPlugMultiPayment;
 use PayPlugModule\Model\OrderPayPlugMultiPaymentQuery;
 use Propel\Runtime\ActiveQuery\Criteria;
+use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
 use Thelia\Command\ContainerAwareCommand;
@@ -45,5 +46,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
            $todayPlannedOrderPayment->setPaymentId($paymentEvent->getPaymentId())
                 ->save();
         }
+
+        return Command::SUCCESS;
     }
 }

Config/module.xml

@@ -17,7 +17,7 @@
         <language>en_US</language>
         <language>fr_FR</language>
     </languages>
-    <version>3.0.0</version>
+    <version>3.1.0</version>
     <authors>
         <author>
             <name>Vincent Lopes-Vicente</name>

Service/PaymentService.php

@@ -42,9 +42,9 @@ public function isPayPlugAvailable()
      */
     public function sendOrderPayment(
         Order $order,
-        bool $capture = false,
-        bool $allowSaveCard = false,
-        int $paymentSlice = 1,
+        bool $capture,
+        bool $allowSaveCard,
+        int $paymentSlice,
         float $totalOrder
     ) {
         $paymentEvent = (new PayPlugPaymentEvent())