fix missing @q on update not valid form and missing go creator
fix missing @q on update not valid form and missing go creator

- if the form did not validate, the render :edit on update crashed because
  of missing @q for search form
- in the drop down list, the form had only department_manager users available as creators
  now the creator is beeing added to the list

panter/aoz-003,panter/aoz-003,panter/aoz-003