Fix multiple copy to recipients

Author: kristof-ringleff

app/code/Magento/Sales/Model/Order/Email/SenderBuilder.php

@@ -85,8 +85,8 @@ public function sendCopyTo()
         $copyTo = $this->identityContainer->getEmailCopyTo();
 
         if (!empty($copyTo)) {
-            $this->configureEmailTemplate();
             foreach ($copyTo as $email) {
+                $this->configureEmailTemplate();
                 $this->transportBuilder->addTo($email);
                 $transport = $this->transportBuilder->getTransport();
                 $transport->sendMessage();