[FIX] models: default value is lost when sharing field with another class
[FIX] models: default value is lost when sharing field with another class

microcom/odoo,storm-computers/odoo,Elico-Corp/odoo_OCB,Elico-Corp/odoo_OCB,storm-computers/odoo,bplancher/odoo,bplancher/odoo,microcom/odoo,syci/OCB,optima-ict/odoo,optima-ict/odoo,microcom/odoo,laslabs/odoo,sysadminmatmoz/OCB,Elico-Corp/odoo_OCB,mkieszek/odoo,mkieszek/odoo,Elico-Corp/odoo_OCB,laslabs/odoo,Elico-Corp/odoo_OCB,laslabs/odoo,stephen144/odoo,hip-odoo/odoo,microcom/odoo,hip-odoo/odoo,microcom/odoo,storm-computers/odoo,optima-ict/odoo,sysadminmatmoz/OCB,laslabs/odoo,syci/OCB,bplancher/odoo,storm-computers/odoo,optima-ict/odoo,optima-ict/odoo,syci/OCB,sysadminmatmoz/OCB,ygol/odoo,stephen144/odoo,dfang/odoo,sysadminmatmoz/OCB,bplancher/odoo,dfang/odoo,mkieszek/odoo,storm-computers/odoo,laslabs/odoo,sysadminmatmoz/OCB,optima-ict/odoo,hip-odoo/odoo,microcom/odoo,stephen144/odoo,laslabs/odoo,stephen144/odoo,mkieszek/odoo,hip-odoo/odoo,syci/OCB,sysadminmatmoz/OCB,Elico-Corp/odoo_OCB,stephen144/odoo,stephen144/odoo,ygol/odoo,ygol/odoo,dfang/odoo,dfang/odoo,bplancher/odoo,hip-odoo/odoo,storm-computers/odoo,dfang/odoo,ygol/odoo,bplancher/odoo,hip-odoo/odoo,mkieszek/odoo,ygol/odoo,ygol/odoo,syci/OCB,dfang/odoo,ygol/odoo,mkieszek/odoo,syci/OCB,sysadminmatmoz/OCB