mounts: always return message when getting status

src/storage/s3.js

@@ -172,7 +172,7 @@ async function getStatus(apiConfig) {
     const [listError] = await safe(s3.listObjectsV2(listParams));
     if (listError) return { status: 'inactive', message: `Error listing objects. ${formatError(listError)}` };
 
-    return { state: 'active' };
+    return { state: 'active', message: '' };
 }
 
 async function upload(apiConfig, remotePath) {