merged branch bschussek/fix-validator (PR #7919)

This PR was merged into the 2.2 branch.

Discussion
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[Validator] Fixed: $traverse and $deep is passed to the visitor from Validator::validate()

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

Commits
-------

59b78c7 [Validator] Fixed: $traverse and $deep is passed to the visitor from Validator::validate()

src/Symfony/Component/Validator/Validator.php

@@ -87,7 +87,7 @@ class Validator implements ValidatorInterface
         $visitor = $this->createVisitor($value);
 
         foreach ($this->resolveGroups($groups) as $group) {
-            $visitor->validate($value, $group, '');
+            $visitor->validate($value, $group, '', $traverse, $deep);
         }
 
         return $visitor->getViolations();