Expedition deformed terrain, excavating large triangles player could walk through

Bug ID: 3139825462

Setup:
- Expedition encounter in Jungle Valley Map (at slight Hill)
- Extreme Archaeology node in Atlas Skill tree allocated (one big explosion/excavation)

What happened:
During the Expedition explosion the terrain deformed
-> triangular shapes were elevated above ground, only visual bug, could walk through terrain, not blocked by it

Image of terrain in question:


Video clip of "creation" to walking through:
https://clipchamp.com/watch/m2sLc3SdYnJ