Add label due to the last ``AdminBundle`` changes

https://github.com/sonata-project/SonataAdminBundle/commit/b69b8fb1eed2004f03c6c906527a0607a38e237e

Builder/DatagridBuilder.php

@@ -22,7 +22,6 @@ use Sonata\AdminBundle\Filter\FilterFactoryInterface;
 
 use Sonata\DoctrineORMAdminBundle\Datagrid\Pager;
 use Sonata\DoctrineORMAdminBundle\Datagrid\ProxyQuery;
-
 use Symfony\Component\Form\FormFactory;
 
 use Doctrine\ORM\Mapping\ClassMetadataInfo;
@@ -72,7 +71,6 @@ class DatagridBuilder implements DatagridBuilderInterface
         }
 
         $fieldDescription->setOption('code', $fieldDescription->getOption('code', $fieldDescription->getName()));
-        $fieldDescription->setOption('label', $fieldDescription->getOption('label', $fieldDescription->getName()));
         $fieldDescription->setOption('name', $fieldDescription->getOption('name', $fieldDescription->getName()));
     }
 
@@ -98,7 +96,7 @@ class DatagridBuilder implements DatagridBuilderInterface
                 if (is_array($value)) {
                     $fieldDescription->setOption($name, array_merge($value, $fieldDescription->getOption($name, array())));
                 } else {
-                    $fieldDescription->setOption($name,    $fieldDescription->getOption($name, $value));
+                    $fieldDescription->setOption($name, $fieldDescription->getOption($name, $value));
                 }
             }
         } else {
@@ -111,6 +109,10 @@ class DatagridBuilder implements DatagridBuilderInterface
         $fieldDescription->mergeOption('field_options', array('required' => false));
         $filter = $this->filterFactory->create($fieldDescription->getName(), $type, $fieldDescription->getOptions());
 
+        if (!$filter->getLabel()) {
+            $filter->setLabel($admin->getLabelTranslatorStrategy()->getLabel($fieldDescription->getName(), 'filter', 'label'));
+        }
+
         $datagrid->addFilter($filter);
 
         return $datagrid->addFilter($filter);