error quota fix

--- ./lib/private/legacy/OC_Helper.php	2022-03-28 17:42:25.107644314 +0530

+++ ./lib/private/legacy/OC_Helper-new.php	2022-03-28 17:44:07.349596051 +0530

--- lib/private/legacy/OC_Helper.php	2022-05-17 19:34:56.340385500 +0530

+++ lib/private/legacy/OC_Helper_new.php	2022-05-17 21:19:30.060385500 +0530

@@ -532,6 +532,12 @@

 			$quota = $sourceStorage->getQuota();

 		}

 		$free = $sourceStorage->free_space($internalPath);

+		$ownerId = $storage->getOwner($path);

+		$mailQuotaUsage = (int) \OC::$server->getConfig()->getUserValue($ownerId, 'ecloud-accounts', 'mailQuotaUsage', 0);

+                $free = $free - $mailQuotaUsage;

+		$free = max(0,$free - $mailQuotaUsage);

+		if($path === '/') {

+				$used = $used + $mailQuotaUsage;

+		}