workflows: admin dropdown menu fix

* Fixes covering of admin dropdown menu in hp_maintable template.
  (closes #2384)

Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>
Signed-off-by: Georgios Papoutsakis <georgios.papoutsakis@cern.ch>
workflows: log output in Holding Pen

* Adds display of the log for BibWorkflowObject's in the Holding
  Pen detailed view.

Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>
Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>