[BUGFIX] Fix default from name value for emails

Classes/Service/MailTemplateService.php

@@ -191,7 +191,11 @@ class MailTemplateService {
 			}
 		}
 
-		$this->mailMessage->setFrom($this->fromAddress);
+		if ($GLOBALS['TYPO3_CONF_VARS']['MAIL']['defaultMailFromName']) {
+			$this->fromName = $GLOBALS['TYPO3_CONF_VARS']['MAIL']['defaultMailFromName'];
+		}
+
+		$this->mailMessage->setFrom($this->fromAddress, $this->fromName);
 
 		$this->bccAddresses = GeneralUtility::trimExplode(',', $tsSettings['mail']['default']['bcc']);
 		$this->ccAddresses = GeneralUtility::trimExplode(',', $tsSettings['mail']['default']['cc']);