[FIX] sale_stock: correct warning if not enough quantity available
[FIX] sale_stock: correct warning if not enough quantity available

Fixes #8625

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