sort storages by slot before scan (#17411)

* sort storages by slot before scan

* fix return value

runtime/src/lib.rs

@@ -34,6 +34,7 @@ pub mod secondary_index;
 pub mod serde_snapshot;
 pub mod snapshot_package;
 pub mod snapshot_utils;
+pub mod sorted_storages;
 pub mod stakes;
 pub mod status_cache;
 mod system_instruction_processor;