Issue #2301587 by joshi.rohit100: Remove form_state_defaults() as it is deprecated.

core/includes/form.inc

core/modules/field/src/Tests/FieldAttachOtherTest.php

core/modules/field/src/Tests/FormTest.php

core/modules/system/src/Controller/FormAjaxController.php

...modules/system/src/Tests/Form/ElementsTableSelectTest.php

core/modules/system/src/Tests/Form/FormCacheTest.php

core/modules/system/src/Tests/Form/FormTest.php