fix(orchestration): fix set step failure (#10031)

What:
 - copy data before saving checkpoint
 - removed unused data format function
 - properly handle registerStepFailure to not throw
 - emit onFinish event even when execution failed

packages/core/orchestration/src/transaction/distributed-transaction.ts

@@ -215,9 +215,11 @@ class DistributedTransaction extends EventEmitter {
       this.modelId,
       this.transactionId
     )
-    await DistributedTransaction.keyValueStore.save(key, data, ttl, options)
 
-    return data
+    const rawData = JSON.parse(JSON.stringify(data))
+    await DistributedTransaction.keyValueStore.save(key, rawData, ttl, options)
+
+    return rawData
   }
 
   public static async loadTransaction(