slapos_pdm: there could be multiple matching allocation cell for an upgrade

User may have created multiple allocation supplies for the same release/type/node
11 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
failed SlapOS-Master.UnitTest-Master

02:16:43

passed SlapOS.Eggs.UnitTest-Master.Python2

00:39:45

passed SlapOS.Eggs.UnitTest-Master.Python3

00:42:23

passed SlapOS-Master.UnitTest-Master

02:37:32

passed SlapOS-Master.UnitTest-Master

01:52:58

failed SlapOS.Eggs.UnitTest-Master.Python2

00:26:18

failed SlapOS.Eggs.UnitTest-Master.Python2

00:25:02

failed SlapOS.Eggs.UnitTest-Master.Python2

00:25:07

failed SlapOS.Eggs.UnitTest-Master.Python3

00:25:10

passed SlapOS.Eggs.UnitTest-Master.Python3

00:25:08

failed SlapOS.Eggs.UnitTest-Master.Python3

00:25:17