Decomission alterWidgetElement and validateEntityForm, add validateSiteAlias,...
Decomission alterWidgetElement and validateEntityForm, add validateSiteAlias, and revise alterEntityForm to include site_alias form element.
Closes #3463788
Decomission alterWidgetElement and validateEntityForm, add validateSiteAlias, and revise alterEntityForm to include site_alias form element.
Closes #3463788