cubicweb-timesheet #3407522 'possibletypes' KeyError when editing a workorder [validation pending]

ticket #3157250 introduced a bug on the selection of not_related users

prioritynormal
typebug
done in0.9.1
load1.000
load left0.000
closed by#8aabf74dddb2 [schema] Fix vocabulary constraint for todo_by and done_by (closes #3407522)
patch[schema] Fix vocabulary constraint for todo_by and done_by (closes #3407522) [applied]