MC-33893: 2.3.4 Invoice always sent (if exist) when order placed.

Author: zakdma

app/code/Magento/Quote/Observer/SendInvoiceEmailObserver.php

@@ -3,6 +3,8 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
+
 namespace Magento\Quote\Observer;
 
 use Magento\Framework\Event\Observer;
@@ -76,7 +78,7 @@ public function execute(Observer $observer)
                 if ($invoice) {
                     $this->invoiceSender->send($invoice);
                 }
-            } catch (\Exception $e) {
+            } catch (\Throwable $e) {
                 $this->logger->critical($e);
             }
         }

app/code/Magento/Quote/Observer/SubmitObserver.php

@@ -60,7 +60,7 @@ public function execute(Observer $observer)
         if (!$redirectUrl && $order->getCanSendNewEmailFlag()) {
             try {
                 $this->orderSender->send($order);
-            } catch (\Exception $e) {
+            } catch (\Throwable $e) {
                 $this->logger->critical($e);
             }
         }