[12.0] [PORT] from 11.0 (#297)
[12.0] [PORT] from 11.0 (#297)

[FIX] sale_three_discount: problems with discount and update prices (#296)

in some cases odoo was sending the same value on the discount than the original one, with this fix we catch those cases and do not write into dicount1
ingadhoc/sale,ingadhoc/sale,ingadhoc/sale,ingadhoc/sale