[FIX] report: Overlapping fields on printed delivery slip
[FIX] report: Overlapping fields on printed delivery slip

Use position relative and not negative margin which could bring overlapping.

opw:782172

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