fix(vm): storage_refunds for vm_refunds_enhancement (#449)

## What ❔

Return correct `storage_refunds` in `vm_refunds_enhancement`

## Why ❔

Return correct `storage_refunds` in `vm_refunds_enhancement`

## Checklist

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- [x] PR title corresponds to the body of PR (we generate changelog
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- [ ] Tests for the changes have been added / updated.
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core/lib/multivm/src/versions/vm_refunds_enhancement/vm.rs

@@ -107,7 +107,7 @@ impl<S: WriteStorage, H: HistoryMode> VmInterface<S, H> for Vm<S, H> {
             total_log_queries,
             cycles_used: self.state.local_state.monotonic_cycle_counter,
             deduplicated_events_logs,
-            storage_refunds: Vec::new(),
+            storage_refunds: self.state.storage.returned_refunds.inner().clone(),
         }
     }