Fixed issue with setting email attachment data on the fly @GWidman

Author: benhall14

src/phpImapReader/Reader.php

@@ -1234,7 +1234,7 @@ public function decodePart(Email $email, $part, $part_number = false)
                         }
                     }
                 } else {
-                    //$attachment->setAttachmentContent($data);
+                    $attachment->setAttachmentContent($data);
                 }
 
                 $email->addAttachment($attachment);