🐛 Bug Report — Workflow API - Setting delay as 0 causes workflow to fail

Following code causes the step to fail

```
const createOrderStep = await step.do(
"create order",
{ retries: { limit: 1, delay: 0 } },
async () => {
});
```

The error I get in workflow page is following
```
e2.match is not a function
```

Also I couldn't find anywhere the default delay duration, is it documented somewhere?

Thanks