[destinE] "%SPLITS%" when it is "auto" is not updated in the templates.

Hello @froura , @bdepaula

The splits: auto, is being traslated as "auto" in the templates instead of using the normalized number

See https://earth.bsc.es/gitlab/digital-twins/de_340-2/workflow/-/merge_requests/513#note_323339 fyi @jjavier