[FIX] crm_lead: don't reset stage if ld stage is common to all sale_teams
[FIX] crm_lead: don't reset stage if ld stage is common to all sale_teams

Before this patch, if the current stage was common to all sale_teams, at merge, it was removed
because we was searching only in the stages dedicated to this sale_team without the common stage.

hip-odoo/odoo,ygol/odoo,dfang/odoo,dfang/odoo,ygol/odoo,ygol/odoo,dfang/odoo,hip-odoo/odoo,ygol/odoo,dfang/odoo,dfang/odoo,dfang/odoo,ygol/odoo,hip-odoo/odoo,hip-odoo/odoo,hip-odoo/odoo,ygol/odoo,ygol/odoo,hip-odoo/odoo