chore: workflow internals improvementss (#9455)

packages/modules/workflow-engine-inmemory/src/utils/workflow-orchestrator-storage.ts

@@ -140,13 +140,10 @@ export class InMemoryDistributedTransactionStorage
       })
     }
 
-    const stringifiedData = JSON.stringify(data)
-    const parsedData = JSON.parse(stringifiedData)
-
     if (hasFinished && !retentionTime && !idempotent) {
-      await this.deleteFromDb(parsedData)
+      await this.deleteFromDb(data)
     } else {
-      await this.saveToDb(parsedData)
+      await this.saveToDb(data)
     }
 
     if (hasFinished) {