[FIX] sale_timesheet: add a domain on so line field for task
[FIX] sale_timesheet: add a domain on so line field for task

SO line partner should be the same as the
task cutomer. The so line field only appears
when customer is set, so it makes sense.

ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo