Make all constructor signatures multiline

[MAILPOET-3732]

lib/Cron/Workers/SendingQueue/SendingErrorHandler.php

@@ -10,7 +10,9 @@ class SendingErrorHandler {
   /** @var SendingThrottlingHandler */
   private $throttlingHandler;
 
-  public function __construct(SendingThrottlingHandler $throttlingHandler) {
+  public function __construct(
+      SendingThrottlingHandler $throttlingHandler
+  ) {
     $this->throttlingHandler = $throttlingHandler;
   }
 

lib/Cron/Workers/SendingQueue/Tasks/Mailer.php

@@ -8,7 +8,9 @@ use MailPoet\Mailer\MailerLog;
 class Mailer {
   public $mailer;
 
-  public function __construct($mailer = false) {
+  public function __construct(
+      $mailer = false
+  ) {
     $this->mailer = ($mailer) ? $mailer : $this->configureMailer();
   }