<BUGFIX> ImageComparator: Fix bug for specimens with an age (e.g. embryos)
<BUGFIX> ImageComparator: Fix bug for specimens with an age (e.g. embryos)

mpi2/PhenotypeData,mpi2/PhenotypeData,mpi2/PhenotypeData,mpi2/PhenotypeData,mpi2/PhenotypeData,mpi2/PhenotypeData