Merge branch '78-souci-sur-solde-des-donateurs' into 'preprod'

Adding a parent fild to only use the most expensive counterpart from a batch to compute cumul

Closes #78

See merge request !86
3 jobs for preprod in 1 minute and 38 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
passed #4203
preprod
job test

00:00:18

 
  Cleanup Test
skipped #4204
preprod
cleanup test
 
  Deploy
passed #4205
preprod
job install

00:01:19