[TASK] Add TODO hint for more refactoring possibilities

Classes/Service/MailTemplateService.php

@@ -650,6 +650,7 @@ class MailTemplateService {
 
 		$currentTimestamp = 0;
 		if ($this->ignoreMailQueue) {
+			// @TODO arghh... why is this not sharing the code with sendMailFromQueue????
 			$this->mailMessage->setBody($emailBody, 'text/html');
 			$plaintextService = GeneralUtility::makeInstance(PlaintextService::class);
 			$plainTextBody = $plaintextService->makePlain($emailBody);