Include e-mail shares when transferring ownership

E-mail shares weren't included in the processing of shares when using the `occ files:transfer-ownership` command, so they'd be lost (not visible in either the former or the new account). This commit fixes that.

apps/files/lib/Service/OwnershipTransferService.php

@@ -239,7 +239,7 @@ class OwnershipTransferService {
 
 		$shares = [];
 		$progress = new ProgressBar($output);
-		foreach ([IShare::TYPE_GROUP, IShare::TYPE_USER, IShare::TYPE_LINK, IShare::TYPE_REMOTE, IShare::TYPE_ROOM] as $shareType) {
+		foreach ([IShare::TYPE_GROUP, IShare::TYPE_USER, IShare::TYPE_LINK, IShare::TYPE_REMOTE, IShare::TYPE_ROOM, IShare::TYPE_EMAIL] as $shareType) {
 			$offset = 0;
 			while (true) {
 				$sharePage = $this->shareManager->getSharesBy($sourceUid, $shareType, null, true, 50, $offset);