[IMP] don't display 'search for' when completion needle is empty
[IMP] don't display 'search for' when completion needle is empty

havt/openerp-web,havt/openerp-web,akretion/openerp-web,akretion/openerp-web,akretion/openerp-web,havt/openerp-web,havt/openerp-web,havt/openerp-web