**What**
Currently, when exporting a workflow using the workflowExport util, it is mandatory to first call the resulted function passing the container before being able to call run, registerStepSuccess or failure on it. Now, it is possible to either continue that way, or to directly call the run, registerStepSuccess or failure on the exported workflow and at that moment it is possible to pass a container if needed
e.g
```ts
const workflow = exportWorkflow("id" as any, "result_step", prepare)
const wfRunner = workflow(container)
wfRunner.run(...) // Here the container is not expected
```
or
```ts
const workflow = exportWorkflow("id" as any, "result_step", prepare)
workflow.run(...) // Here we can now pass an optional container
```
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