Issue #3438947 by _tarik_: Created trait that provides methods overrides,...

Issue #3438947 by tarik: Created trait that provides methods overrides, created controllers to support json and jsonapi_extras

Closes #3438947

src/Controller/JsonApiEntityResource.php

+<?php
+
+namespace Drupal\jsonapi_links\Controller;
+
+use Drupal\jsonapi\Controller\EntityResource;
+
+/**
+ * Overrides EntityResource JSON API.
+ *
+ * All code bellow is copied form EntityAccessChecker and required
+ * only to replace ResourceObject.
+ */
+class JsonApiEntityResource extends EntityResource {
+
+  use MethodOverrideTrait;
+
+}