Fix discount calculation logic
Fix discount calculation logic

rchav/vinerack,tfroehlich82/saleor,spartonia/saleor,rodrigozn/CW-Shop,spartonia/saleor,mociepka/saleor,laosunhust/saleor,mociepka/saleor,car3oon/saleor,itbabu/saleor,rchav/vinerack,KenMutemi/saleor,itbabu/saleor,UITools/saleor,UITools/saleor,HyperManTT/ECommerceSaleor,rchav/vinerack,mociepka/saleor,UITools/saleor,tfroehlich82/saleor,jreigel/saleor,car3oon/saleor,maferelo/saleor,HyperManTT/ECommerceSaleor,jreigel/saleor,spartonia/saleor,UITools/saleor,KenMutemi/saleor,rodrigozn/CW-Shop,UITools/saleor,laosunhust/saleor,maferelo/saleor,maferelo/saleor,rodrigozn/CW-Shop,itbabu/saleor,KenMutemi/saleor,HyperManTT/ECommerceSaleor,jreigel/saleor,laosunhust/saleor,car3oon/saleor,laosunhust/saleor,spartonia/saleor,tfroehlich82/saleor