Issue #2116341 by fago, tim.plunkett: Apply defaults to definition objects.

...lib/Drupal/Core/Entity/TypedData/EntityDataDefinition.php

...lib/Drupal/Core/Field/FieldStorageDefinitionInterface.php

core/lib/Drupal/Core/TypedData/DataDefinition.php

core/lib/Drupal/Core/TypedData/DataDefinitionInterface.php

core/lib/Drupal/Core/TypedData/TypedData.php

core/lib/Drupal/Core/TypedData/TypedDataManager.php

core/modules/field/src/Entity/FieldInstanceConfig.php

core/modules/rdf/src/Tests/Field/TextFieldRdfaTest.php

core/modules/system/src/Tests/Entity/EntityFieldTest.php

core/modules/views_ui/src/ViewUI.php