Handle validation errors for work order card on planning board and details
Validation errors on a planning board draft are now more visible to the planner, so that any possible action to clear the error can be taken before trying to send in the draft:
!image-20200818-065414.png|width=154,height=115!
!image-20200818-065512 (6ab6d7c1-f103-4356-ad53-b11f35b4a5df).png|width=561,height=824!
!image-20200818-065452 (f9bfdc07-d8ed-44e4-be1e-1caf91f36d96).png|width=558,height=810!
There is both visible information on the planning board grid and detailed information when opening details for the individual schedule or work order.
