Fix data type in FilesMetadata::setIntList()

FilesMetadata::setIntList() throws an exception because it uses the incorrect type IMetadataValueWrapper::TYPE_STRING_LIST instead of IMetadataValueWrapper::TYPE_INT_LIST.

Signed-off-by: hschletz <holger.schletz@web.de>

lib/private/FilesMetadata/Model/FilesMetadata.php

@@ -480,7 +480,7 @@ public function setIntList(string $key, array $value, bool $index = false): IFil
 			// if value does not exist, or type has changed, we keep on the writing
 		}
 
-		$valueWrapper = new MetadataValueWrapper(IMetadataValueWrapper::TYPE_STRING_LIST);
+		$valueWrapper = new MetadataValueWrapper(IMetadataValueWrapper::TYPE_INT_LIST);
 		$this->metadata[$key] = $valueWrapper->setValueIntList($value)->setIndexed($index);
 		$this->updated = true;