Use dedicated field for germplasmPUI

requested review from @raphael.flores

assigned to @cyril.pommier

approved this merge request

Apparently OK https://staging-urgi.versailles.inrae.fr/faidare/germplasm?id=dXJuOklOUkFFLVVSR0kvZ2VybXBsYXNtLzE3MDU%3D

Let's hunt for side effects

Staging interface awaiting review of @maud.marty and @nicolas.francillonne, please approve the merge request when OK for you. ;)

approved this merge request

merged