refactor(storage-api): remove namespace lock from StorageAPI (#3365)

* refactor(storage-api): remove namespace lock from StorageAPI

* test(scanner): wait for runtime budget cancellation

---------

Co-authored-by: loverustfs <hello@rustfs.com>

crates/ecstore/src/store.rs

@@ -67,7 +67,8 @@ use crate::{
     store_api::{
         BucketInfo, BucketOperations, BucketOptions, CompletePart, DeleteBucketOptions, DeletedObject, GetObjectReader,
         HTTPRangeSpec, HealOperations, ListObjectsV2Info, ListOperations, MakeBucketOptions, MultipartOperations,
-        MultipartUploadResult, ObjectInfo, ObjectOperations, ObjectOptions, ObjectToDelete, PartInfo, PutObjReader, StorageAPI,
+        MultipartUploadResult, NamespaceLocking, ObjectInfo, ObjectOperations, ObjectOptions, ObjectToDelete, PartInfo,
+        PutObjReader, StorageAPI,
     },
     store_init,
 };
@@ -703,7 +704,10 @@ impl HealOperations for ECStore {
 }
 
 #[async_trait::async_trait]
-impl StorageAPI for ECStore {
+impl StorageAPI for ECStore {}
+
+#[async_trait::async_trait]
+impl NamespaceLocking for ECStore {
     async fn new_ns_lock(&self, bucket: &str, object: &str) -> Result<NamespaceLockWrapper> {
         self.handle_new_ns_lock(bucket, object).await
     }