The simulate template api should include the settings that registered IndexSettingProvider generate.
Currently, these settings are not included in the simulate template api response,
but are only used to create a dummy IndexService instance to validate aliases.
Changes:
* Reuses the same `aliases` object properties in the following API docs:
* Clone index API
* Create index API
* Put component template API
* Put legacy index template API
* Put index template API
* Rollover index API
* Shrink index API
* Simulate template API
* Split index API
* Updates the `aliases` object properties for the simulate index API docs.
Closes#73044
