bug #9656 [DoctrineBridge] normalized class names in the ORM type guesser (fabpot)

This PR was merged into the 2.2 branch.

Discussion
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[DoctrineBridge] normalized class names in the ORM type guesser

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #5837
| License       | MIT
| Doc PR        | n/a

Commits
-------

a1b9c2e [DoctrineBridge] normalized class names in the ORM type guesser

Author: fabpot

src/Symfony/Bridge/Doctrine/Form/DoctrineOrmTypeGuesser.php

@@ -19,6 +19,7 @@
 use Symfony\Component\Form\Guess\Guess;
 use Symfony\Component\Form\Guess\TypeGuess;
 use Symfony\Component\Form\Guess\ValueGuess;
+use Doctrine\Common\Util\ClassUtils;
 
 class DoctrineOrmTypeGuesser implements FormTypeGuesserInterface
 {
@@ -161,6 +162,9 @@ public function guessPattern($class, $property)
 
     protected function getMetadata($class)
     {
+        // normalize class name
+        $class = ClassUtils::getRealClass(ltrim($class, '\\'));
+
         if (array_key_exists($class, $this->cache)) {
             return $this->cache[$class];
         }