EDIT

fix #9470 preventing circular calls of CollectionDTO constructor

cleanup

ref #9389 removing TODO comment as the situation is clarified now

ref #9395 solving problem in derivation-dto-graph assembly (replaced field units)

ref #9301 static helper method to find the nom. act of a registration

ref #9395 fully implementing maxDepth for derivative assembly and fixing OccurrenceServiceImpl._findRootUnitDTO()

ref #9389 ref #9415 improving information assembly in derivation bouquet by recursion, fixing multiple problems

avoid NotSerializableException for SourceDto

ref #9276 renaming DerivationTreeSummaryDTO fields in SpecimenOrObservationBaseDTO

ref #9276 documenting DerivateDataDTO and renaming to DerivationTreeSummaryDTO