[TASK] Replacing php explode with general utility trimexplode

Classes/Service/MailTemplateService.php

@@ -124,8 +124,8 @@ class MailTemplateService {
 		$this->fromAddress = $this->tsSettings['mail']['default']['from'];
 		$this->mailMessage->setFrom($this->fromAddress);
 
-		$this->bccAddresses = explode(',', $this->tsSettings['mail']['default']['bcc']);
-		$this->ccAddresses = explode(',', $this->tsSettings['mail']['default']['cc']);
+		$this->bccAddresses = GeneralUtility::trimExplode(',', $this->tsSettings['mail']['default']['bcc']);
+		$this->bccAddresses = GeneralUtility::trimExplode(',', $this->tsSettings['mail']['default']['cc']);
 		$this->mailMessage->setBcc($this->bccAddresses);
 		$this->mailMessage->setBcc($this->ccAddresses);
 	}