Changed entity definition to uuid only id

Closes #3498574

src/Entity/Grant.php

@@ -38,16 +38,16 @@ use Drupal\user\Entity\User;
  *   base_table = "grant",
  *   admin_permission = "administer grant",
  *   entity_keys = {
- *     "id" = "id",
+ *     "id" = "uuid",
  *     "label" = "email",
  *     "uuid" = "uuid",
  *   },
  *   links = {
  *     "collection" = "/admin/content/grant",
  *     "add-form" = "/grant/add",
- *     "canonical" = "/grant/id/{grant}",
- *     "edit-form" = "/grant/id/{grant}",
- *     "delete-form" = "/grant/id/{grant}/delete",
+ *     "canonical" = "/grant/{grant}",
+ *     "edit-form" = "/grant/{grant}",
+ *     "delete-form" = "/grant/{grant}/delete",
  *   },
  *   field_ui_base_route = "entity.grant.settings",
  * )