fixup! feat: add iMip Request Handling

Signed-off-by: SebastianKrupinski <krupinskis05@gmail.com>

lib/Service/IMipService.php

@@ -135,7 +135,7 @@ class IMipService {
 				$sender = $imapMessage->getFrom()->first()->getEmail();
 				$recipient = $account->getEmail();
 				foreach ($imapMessage->scheduling as $schedulingInfo) { // an IMAP message could contain more than one iMIP object
-					if ($schedulingInfo['method'] === 'REQUEST' && function_exists($this->calendarManager->handleIMipRequest)) {
+					if ($schedulingInfo['method'] === 'REQUEST' && function_exists($this->calendarManager->handleIMipRequest())) {
 						$processed = $this->calendarManager->handleIMipRequest($principalUri, $sender, $recipient, $schedulingInfo['contents']);
 						$message->setImipProcessed($processed);
 						$message->setImipError(!$processed);