fix #7114 using the DerivedUnitConverterFactory in SpecimenTypeDesignationDTO
fix #7083 possible to edit preferredStableUri of TypeSpecimens
fixing problems related to mediaSpecimens
solving problems with typeSpecimen conversion
fixing NPE
fix #7059 using KindOfUnit instead of DerivationEventType
ref #6169 feature completed: adding new type designation workingsets
ref #6724 SpecimenTypeDesignationWorkingsetEditor with Types sub section for contained SpecimenTypeDesignation