Allow to fetch the creation time of folders

Signed-off-by: Julius Härtl <jus@bitgrid.net>

apps/dav/lib/Connector/Sabre/FilesPlugin.php

@@ -391,12 +391,13 @@ class FilesPlugin extends ServerPlugin {
 					$user->getUID()
 				);
 			});
-		}
 
-		if ($node instanceof \OCA\DAV\Connector\Sabre\Node) {
 			$propFind->handle(self::DATA_FINGERPRINT_PROPERTYNAME, function () use ($node) {
 				return $this->config->getSystemValue('data-fingerprint', '');
 			});
+			$propFind->handle(self::CREATION_TIME_PROPERTYNAME, function () use ($node) {
+				return $node->getFileInfo()->getCreationTime();
+			});
 		}
 
 		if ($node instanceof \OCA\DAV\Connector\Sabre\File) {
@@ -423,10 +424,6 @@ class FilesPlugin extends ServerPlugin {
 				return new ChecksumList($checksum);
 			});
 
-			$propFind->handle(self::CREATION_TIME_PROPERTYNAME, function () use ($node) {
-				return $node->getFileInfo()->getCreationTime();
-			});
-
 			$propFind->handle(self::UPLOAD_TIME_PROPERTYNAME, function () use ($node) {
 				return $node->getFileInfo()->getUploadTime();
 			});