api-types: add namespace to BackupGroup

Make it easier by adding an helper accepting either group or
directory

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

pbs-client/src/tools/mod.rs

@@ -293,6 +293,7 @@ pub async fn complete_server_file_name_do(param: &HashMap<String, String>) -> Ve
     };
 
     let query = json_object_to_query(json!({
+        "backup-ns": snapshot.group.ns,
         "backup-type": snapshot.group.ty,
         "backup-id": snapshot.group.id,
         "backup-time": snapshot.time,