Fixed empty btn-group on edit mongo one
Fixed empty btn-group on edit mongo one

yedey/SonataDoctrineMongoDBAdminBundle,zajca/SonataDoctrineMongoDBAdminBundle,zajca/SonataDoctrineMongoDBAdminBundle,yedey/SonataDoctrineMongoDBAdminBundle,yedey/SonataDoctrineMongoDBAdminBundle,zajca/SonataDoctrineMongoDBAdminBundle,zajca/SonataDoctrineMongoDBAdminBundle