When creating sale order lines from the matrix (sale_product_matrix), the purchase_price weren't computed No cleaner change has been found to ensure the cost is computed. Triggering all onchanges from the server side is quite tricky and dirty to do... closes odoo/odoo#40986 X-original-commit: 5c15b1310729129e390b455b0d1e0ac367f8dd69 Signed-off-by: Victor Feyens (vfe) <vfe@odoo.com>