[Propel] Fixed typo, removed useless use statement, used getData() instead of casting a PropelCollection

src/Symfony/Bridge/Propel1/Form/ChoiceList/ModelChoiceList.php

@@ -11,12 +11,11 @@
 
 namespace Symfony\Bridge\Propel1\Form\ChoiceList;
 
+use \Persistent;
 use Symfony\Component\Form\Exception\FormException;
 use Symfony\Component\Form\Exception\StringCastException;
 use Symfony\Component\Form\Extension\Core\ChoiceList\ObjectChoiceList;
 
-use \Persistent;
-
 /**
  * Widely inspirated by the EntityChoiceList.
  *

src/Symfony/Bridge/Propel1/Form/DataTransformer/CollectionToArrayTransformer.php

@@ -11,12 +11,11 @@
 
 namespace Symfony\Bridge\Propel1\Form\DataTransformer;
 
+use \PropelCollection;
 use Symfony\Component\Form\DataTransformerInterface;
 use Symfony\Component\Form\Exception\UnexpectedTypeException;
 use Symfony\Component\Form\Exception\TransformationFailedException;
 
-use \PropelCollection;
-
 /**
  * CollectionToArrayTransformer class.
  *
@@ -35,11 +34,7 @@ class CollectionToArrayTransformer implements DataTransformerInterface
             throw new UnexpectedTypeException($collection, '\PropelCollection');
         }
 
-        // A PropelCollection is ArrayAccess, to cast the collection
-        // into array is enough to transform the collection in an array.
-        // Never use toArray() on a PropelCollection as it puts all data
-        // in array, not just the collection.
-        return (array) $collection;
+        return $collection->getData();
     }
 
     public function reverseTransform($array)

src/Symfony/Bridge/Propel1/Form/Type/ModelType.php

@@ -13,7 +13,6 @@ namespace Symfony\Bridge\Propel1\Form\Type;
 
 use Symfony\Bridge\Propel1\Form\ChoiceList\ModelChoiceList;
 use Symfony\Bridge\Propel1\Form\DataTransformer\CollectionToArrayTransformer;
-use Symfony\Bridge\Propel1\Form\DataTransformer\ObjectToArrayTransformer;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\FormBuilder;