[TASK] Adding getter for swift mailer object

Classes/Service/MailTemplateService.php

@@ -464,4 +464,12 @@ class MailTemplateService {
 		$this->mailMessage->attach($attachment);
 		return $this;
 	}
+
+	/**
+	 * @return MailMessage
+	 */
+	public function getMailMessage() {
+		return $this->mailMessage;
+	}
+
 }