Add refresh schedules and properties to export and import.

[dbernstein]

Description

In order to keep the Development version and deployed versions of the Quicksight Dashboards in sync, we needed to add refresh properties and schedules to the export/import process. This update adds the following:

1. Exports data set refresh properties to json.
2. Exports the data set refresh schedule(s) to json
3. Deletes any existing data set refresh properties and schedules on existing data sets before attempting to recreate the data sets
4. creates data set refresh properties and schedules that were found among the resources.

Motivation and Context

https://ebce-lyrasis.atlassian.net/browse/PP-603

How Has This Been Tested?

Unit tests have been updated to include this functionality and it has been manually tested as well.

Checklist

• [] I have updated the documentation accordingly.
• [] All new and existing tests passed.