[FIX] website editor: history can't take a snapshot if all editable zone is unactive
[FIX] website editor: history can't take a snapshot if all editable zone is unactive

Elico-Corp/odoo_OCB,optima-ict/odoo,bplancher/odoo,stephen144/odoo,tvtsoft/odoo8,ygol/odoo,microcom/odoo,alhashash/odoo,microcom/odoo,deKupini/erp,hip-odoo/odoo,mkieszek/odoo,bplancher/odoo,stephen144/odoo,Elico-Corp/odoo_OCB,storm-computers/odoo,bplancher/odoo,Elico-Corp/odoo_OCB,alhashash/odoo,laslabs/odoo,tvtsoft/odoo8,dfang/odoo,tvtsoft/odoo8,sysadminmatmoz/OCB,addition-it-solutions/project-all,syci/OCB,cdrooom/odoo,addition-it-solutions/project-all,sysadminmatmoz/OCB,stephen144/odoo,sysadminmatmoz/OCB,syci/OCB,Elico-Corp/odoo_OCB,hip-odoo/odoo,optima-ict/odoo,deKupini/erp,odoousers2014/odoo,deKupini/erp,stephen144/odoo,laslabs/odoo,laslabs/odoo,odoousers2014/odoo,stephen144/odoo,hip-odoo/odoo,cdrooom/odoo,sysadminmatmoz/OCB,deKupini/erp,dfang/odoo,tvtsoft/odoo8,storm-computers/odoo,Grirrane/odoo,ygol/odoo,optima-ict/odoo,Grirrane/odoo,cdrooom/odoo,alhashash/odoo,ygol/odoo,Grirrane/odoo,syci/OCB,Elico-Corp/odoo_OCB,Grirrane/odoo,odoousers2014/odoo,sysadminmatmoz/OCB,optima-ict/odoo,odoousers2014/odoo,optima-ict/odoo,alhashash/odoo,laslabs/odoo,dfang/odoo,bplancher/odoo,mkieszek/odoo,odoousers2014/odoo,storm-computers/odoo,dfang/odoo,microcom/odoo,sysadminmatmoz/OCB,deKupini/erp,tvtsoft/odoo8,Elico-Corp/odoo_OCB,addition-it-solutions/project-all,syci/OCB,laslabs/odoo,mkieszek/odoo,stephen144/odoo,bplancher/odoo,hip-odoo/odoo,bplancher/odoo,microcom/odoo,addition-it-solutions/project-all,hip-odoo/odoo,tvtsoft/odoo8,syci/OCB,storm-computers/odoo,mkieszek/odoo,mkieszek/odoo,hip-odoo/odoo,sysadminmatmoz/OCB,alhashash/odoo,ygol/odoo,optima-ict/odoo,ygol/odoo,Grirrane/odoo,storm-computers/odoo,addition-it-solutions/project-all,storm-computers/odoo,dfang/odoo,laslabs/odoo,microcom/odoo,mkieszek/odoo,Grirrane/odoo,dfang/odoo,syci/OCB,cdrooom/odoo,addition-it-solutions/project-all,ygol/odoo,microcom/odoo,alhashash/odoo,ygol/odoo,odoousers2014/odoo