Merge changes I2e94156c,I55828d7f,I912e5dd0,Ie7acd1d5 into main

* changes:
  [legacy sf flag] - Remove enableNewFrontEnd()
  [legacy sf flag] - LayerRenderArea cleanup
  [legacy sf flag] - setInitialValuesForClone
  [legacy sf flag] - skipReportingTransformHint