if we have two producers and remove one in some case all remaining edges break
if we had two producers, that broke some edges and we remove one, then the edge should be repaired (only when working manually)
- if we have two producers and remove one in some case all remaining edges break
- if we had two producers, that broke some edges and we remove one, then the edge should be repaired (only when working manually)
e.g. all edges, not just the ones connected to the changed object