[FIX] crm: saleperson m2o should not be a selection widget
[FIX] crm: saleperson m2o should not be a selection widget

There could be thousands of users so a fixed selection widget
is unusable (no search, fixed length, etc.)

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