cubicweb-conference #1014558 owner can't access talk in state "accept/reject_pending" [validation pending]

the owner should still be able to read his talk description, with a warning saying that the talk was reviewed and is now in a pending state, but not the detailed accept/reject state.

prioritynormal
typebug
done in0.8.2
load0.200
load left0.000
closed by#5bfe05c56043 [workflow] owner should access a talk in state accept/reject_pending (closes #1014558)