[Futurev4] Updating how LCG layers are introduced
This mirrors the changes in Gaussino MR Gaussino/Gaussino!21 (merged). related to !718 (merged)
Update 12/07/22: it now follows changes in !744 (merged)
This mirrors the changes in Gaussino MR Gaussino/Gaussino!21 (merged). related to !718 (merged)
Update 12/07/22: it now follows changes in !744 (merged)