Use material icon for split
When migrated to material icons, the tryton-production-split was not updated.
Also stock_split could have also a split icon.
This instance will be upgraded to Heptapod 1.3.1 (GitLab 16.9.3) on 2023-03-28 at 17:00 UTC+1
When migrated to material icons, the tryton-production-split was not updated.
Also stock_split could have also a split icon.