slapos_panel: Re-export InstanceTree_getMonitorParameterDict to fix the test.

3 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed SlapOS-Master.UnitTest-Master

01:53:43

passed SlapOS.Eggs.UnitTest-Master.Python2

00:15:26

failed SlapOS.Eggs.UnitTest-Master.Python3

00:15:33