fix #2153 deprecate AbstractFilter::addJoinsForNestedProperty not giving the 6th argument

Author: soyuka

src/Bridge/Doctrine/Orm/Filter/AbstractFilter.php

@@ -286,6 +286,12 @@ protected function addJoinsForNestedProperty(string $property, string $rootAlias
         if (\func_num_args() > 5) {
             $joinType = func_get_arg(5);
         } else {
+            if (__CLASS__ !== \get_class($this)) {
+                $r = new \ReflectionMethod($this, __FUNCTION__);
+                if (__CLASS__ !== $r->getDeclaringClass()->getName()) {
+                    @trigger_error(sprintf('Method %s() will have a sixth `$joinType` argument in version API Platform 3.0. Not defining it is deprecated since API Platform 2.3.', __FUNCTION__), E_USER_DEPRECATED);
+                }
+            }
             $joinType = null;
         }