Merge branch '4.4'

* 4.4:
  fix merge
  Fix inconsistent return points.
  pass translation parameters to the trans filter
  [Mime] fixed wrong mimetype
  [ProxyManagerBridge] Polyfill for unmaintained version
  [HttpClient] Declare `$active` first to prevent weird issue
  Remove deprecated assertContains
  [HttpClient] fix tests
  SCA: dropped unused mocks, duplicate import and a function alias usage
  Added correct plural for box -> boxes
  [Config] fix test
  Fix remaining tests
  fix getName() when transport is null
  [Console] Check for ErrorHandler classes
  Improve fa (persian) translation

Author: nicolas-grekas

AbstractTransport.php

@@ -39,8 +39,6 @@ public function __construct(EventDispatcherInterface $dispatcher = null, LoggerI
         $this->logger = $logger ?: new NullLogger();
     }
 
-    abstract public function getName(): string;
-
     /**
      * Sets the maximum number of messages to send per second (0 to disable).
      */

SendmailTransport.php

@@ -75,7 +75,11 @@ public function send(RawMessage $message, SmtpEnvelope $envelope = null): ?SentM
 
     public function getName(): string
     {
-        return $this->transport->getName();
+        if ($this->transport) {
+            return $this->transport->getName();
+        }
+
+        return 'smtp://sendmail';
     }
 
     protected function doSend(SentMessage $message): void

Transport/AbstractTransport.php

@@ -39,8 +39,6 @@ public function __construct(EventDispatcherInterface $dispatcher = null, LoggerI
         $this->logger = $logger ?: new NullLogger();
     }
 
-    abstract public function getName(): string;
-
     /**
      * Sets the maximum number of messages to send per second (0 to disable).
      */

Transport/SendmailTransport.php

@@ -75,7 +75,11 @@ public function send(RawMessage $message, SmtpEnvelope $envelope = null): ?SentM
 
     public function getName(): string
     {
-        return $this->transport->getName();
+        if ($this->transport) {
+            return $this->transport->getName();
+        }
+
+        return 'smtp://sendmail';
     }
 
     protected function doSend(SentMessage $message): void