Merge pull request #46710 from nextcloud/artonge/fix/use_timestamp_instead_of_revision

fix: Use timestamp instead of revision id in files_versions metadata API

Author: sorbaugh

apps/files_versions/lib/Sabre/VersionFile.php

@@ -75,7 +75,7 @@ public function setMetadataValue(string $key, string $value): bool {
 		$backend = $this->version->getBackend();
 
 		if ($backend instanceof IMetadataVersionBackend) {
-			$backend->setMetadataValue($this->version->getSourceFile(), $this->version->getRevisionId(), $key, $value);
+			$backend->setMetadataValue($this->version->getSourceFile(), $this->version->getTimestamp(), $key, $value);
 			return true;
 		} elseif ($key === 'label' && $backend instanceof INameableVersionBackend) {
 			$backend->setVersionLabel($this->version, $value);