(fixes #3209) fixed to reset form fields when the widget added
(fixes #3209) fixed to reset form fields when the widget added

kashiwasan/symfony-advanced,nishizoe/OpenPNE3,upsilon/travis-test,nishizoe/OpenPNE3,isaosano/OpenPNE3,isaosano/OpenPNE3,C-nakajima/OpenPNE3,isaosano/OpenPNE3,C-nakajima/OpenPNE3,ShinichiU/OpenPNE3,ShinichiU/OpenPNE3,C-nakajima/OpenPNE3,isaosano/OpenPNE3,ShinichiU/OpenPNE3,ShinichiU/OpenPNE3,kashiwasan/symfony-advanced,C-nakajima/OpenPNE3,upsilon/travis-test