Reverts "Update `framework_test.dart` to remove `ButtonBar` usage and remove references from other clases" (#137731)

Reverts flutter/flutter#137550
Initiated by: Piinks
This change reverts the following previous change:
Original Description:
This PR removes `ButtonBar` usage from `framework_test.dart` class and update other references in preparation for `ButtonBar` deprecation

related to https://github.com/flutter/flutter/issues/127955