noticeAssignments on JourneyParts and TrainBlock

[skinkie]

I guess this is missing in the model.

It obviously can be achieved using the NoticeAssignmentsInFrame.

[ue71603]

Do you want it in? For general same handling? If yes, pls assign it to @Aurige to tell us, if we do the PR

[skinkie]

I think I would want NoticeAssignment at the same 'level' as our new privateCodes.