Merge branch '5.0'

* 5.0:
  Fix closing tag in mailer collector template
  [Notifier] Fix two minor issues
  [HttpClient] Don't read from the network faster than the CPU can deal with
  [DI] DecoratorServicePass should keep container.service_locator on the decorated definition

Author: nicolas-grekas

Message/SmsMessage.php

@@ -37,7 +37,7 @@ public function __construct(string $phone, string $subject)
     public static function fromNotification(Notification $notification, Recipient $recipient, string $transport = null): self
     {
         if (!$recipient instanceof SmsRecipientInterface) {
-            throw new LogicException(sprintf('To send a SMS message, "%s" should implement "%s" or the recipient should implement "%s".', get_class($notification), SmsNotificationInterface::class, SmsRecipientInterface::class));
+            throw new LogicException(sprintf('To send a SMS message, "%s" should implement "%s" or the recipient should implement "%s".', \get_class($notification), SmsNotificationInterface::class, SmsRecipientInterface::class));
         }
 
         return new self($recipient->getPhone(), $notification->getSubject());