Rollback changes done to the InputValidator and the relevant tests

Author: murtukov

src/Validator/InputValidator.php

@@ -140,11 +140,6 @@ private function buildValidationTree(ValidationNode $rootObject, iterable $field
             $property = $arg['name'] ?? $name;
             $config = static::normalizeConfig($arg['validation'] ?? []);
 
-            if (!array_key_exists($property, $inputData)) {
-                // This field was not provided in the inputData. Do not attempt to validate it.
-                continue;
-            }
-
             if (isset($config['cascade']) && isset($inputData[$property])) {
                 $groups = $config['cascade'];
                 $argType = $this->unclosure($arg['type']);

tests/Functional/App/config/validator/mapping/Mutation.types.yml

@@ -138,11 +138,3 @@ Mutation:
                         validation:
                             cascade:
                                 groups: ['group2']
-
-            onlyPassedFieldsValidation:
-                type: Boolean
-                resolve: '@=m("mutation_mock", args)'
-                args:
-                    person:
-                        validation: cascade
-                        type: Person!

tests/Functional/App/config/validator/mapping/Person.types.yml

@@ -87,22 +87,6 @@ public function testLinkedConstraintsValidationPasses(): void
         $this->assertTrue($result['data']['linkedConstraintsValidation']);
     }
 
-    public function testOnlyPassedFieldsValidated(): void
-    {
-        $query = '
-            mutation {
-                onlyPassedFieldsValidation(
-                    person: { firstName: "Joe" }
-                )
-            }
-        ';
-
-        $result = $this->executeGraphQLRequest($query);
-
-        $this->assertTrue(empty($result['errors']));
-        $this->assertTrue($result['data']['onlyPassedFieldsValidation']);
-    }
-
     public function testLinkedConstraintsValidationFails(): void
     {
         $query = '