Scroll element into viewport.

```js
I.scrollIntoView('#submit');
I.scrollIntoView('#submit', true);
I.scrollIntoView('#submit', { behavior: "smooth", block: "center", inline: "center" });
```

@param {LocatorOrString} locator located by CSS|XPath|strict locator.
@param {ScrollIntoViewOptions} scrollIntoViewOptions see https://developer.mozilla.org/en-US/docs/Web/API/Element/scrollIntoView.
[!] returns a _promise_ which is synchronized internally by recorder