JSONata evaluation for AWS component should match JSONata evaluation in JSON mapper

[jhorbulyk]

The JSONata evaluation for this component will not have the additional time functions that we added to our JSONata mapper.

[zubairov]

@pnedelko do you think we could create a custom JSONata package with our enhancements in it?

[pnedelko]

@zubairov https://www.npmjs.com/package/@elastic.io/jsonata-moment