Fix display of select filter list with no choice (#6818)
Fix display of select filter list with no choice (#6818)


osavchenko/SonataAdminBundle,osavchenko/SonataAdminBundle,osavchenko/SonataAdminBundle,sonata-project/SonataAdminBundle,peter-gribanov/SonataAdminBundle,peter-gribanov/SonataAdminBundle,osavchenko/SonataAdminBundle,osavchenko/SonataAdminBundle,sonata-project/SonataAdminBundle,peter-gribanov/SonataAdminBundle,peter-gribanov/SonataAdminBundle