Characters can not pass through back faces of triangle meshes

	bool FTriangleMeshSweepVisitor::VisitSweep(const TSpatialVisitorData<int32>& VisitData, FRealSingle& CurDataLength)
	{
...
		if (CullsBackFaceSweepsCode != 0)
		{
			if (VectorMaskBits(IsBackFace))
			{
#if 0
				// Don't cull the back face if there is a chance that we are initially overlapping.
				const VectorRegister4Float MinBounds = VectorMin(VectorMin(A, B), C);
				const VectorRegister4Float MaxBounds = VectorMax(VectorMax(A, B), C);
				FAABBVectorized TriangleAABB(MinBounds, MaxBounds);
				
				if (!GeometryAABBTriangleSpace.Intersects(TriangleAABB))
				{
					return true;
				}
#else
				return true;
#endif
			}
		}