Is this a regression?

• Yes, this behavior used to work in the previous version

The previous version in which this bug was not present was

No response

Description

There is no harness for the datepicker which includes finding and interacting with the MatDatePickerActions element (https://material.angular.dev/components/datepicker/overview#confirmation-action-buttons). There should be API for this since it is a core feature of the Datepicker

Reproduction

Examine the code of all of the Datepicker harnesses

Expected Behavior

API to interact with the actions

Actual Behavior

No API

Environment

Tesiting