Issue #2651716 by tstoeckler, bojanz: Entity::getEntityFromRouteMatch() should support bundles

core/lib/Drupal/Core/Entity/EntityForm.php

...dules/system/tests/modules/entity_test/entity_test.module

...dules/entity_test/src/Controller/EntityTestController.php

...ystem/tests/modules/entity_test/src/Entity/EntityTest.php

...les/entity_test/src/Entity/EntityTestBaseFieldDisplay.php

...m/tests/modules/entity_test/src/Entity/EntityTestNoId.php

...sts/modules/entity_test/src/Entity/EntityTestStringId.php

...ests/modules/entity_test/src/Routing/EntityTestRoutes.php

core/tests/Drupal/Tests/Core/Entity/EntityFormTest.php