Added missing option select in templates section

DependencyInjection/Configuration.php

@@ -157,6 +157,7 @@ class Configuration implements ConfigurationInterface
                         ->scalarNode('acl')->defaultValue('SonataAdminBundle:CRUD:acl.html.twig')->cannotBeEmpty()->end()
                         ->scalarNode('history_revision_timestamp')->defaultValue('SonataAdminBundle:CRUD:history_revision_timestamp.html.twig')->cannotBeEmpty()->end()
                         ->scalarNode('action')->defaultValue('SonataAdminBundle:CRUD:action.html.twig')->cannotBeEmpty()->end()
+                        ->scalarNode('select')->defaultValue('SonataAdminBundle:CRUD:list__select.html.twig')->cannotBeEmpty()->end()
                         ->scalarNode('list_block')->defaultValue('SonataAdminBundle:Block:block_admin_list.html.twig')->cannotBeEmpty()->end()
                         ->scalarNode('search_result_block')->defaultValue('SonataAdminBundle:Block:block_search_result.html.twig')->cannotBeEmpty()->end()
                         ->scalarNode('short_object_description')->defaultValue('SonataAdminBundle:Helper:short-object-description.html.twig')->cannotBeEmpty()->end()