Support defining prices in different quantity units

See merge request !1293
9 jobs for feat/stock-report-valuation
Status Job ID Name Coverage
  External
failed ERP5.UnitTest-Master

03:59:21

failed ERP5.UnitTest-Master.Medusa

passed SlapOS.Eggs.UnitTest-Master.Python2

00:32:16

passed SlapOS.Eggs.UnitTest-Master.Python3

00:16:08

failed ERP5.UnitTest-Master

passed SlapOS.Eggs.UnitTest-Master.Python2

00:17:50

passed SlapOS.Eggs.UnitTest-Master.Python2

00:09:39

passed SlapOS.Eggs.UnitTest-Master.Python3

00:16:38

passed SlapOS.Eggs.UnitTest-Master.Python3

00:18:28