Incorrect height when end position on another tile

[vaIgarashi]

Input

map_id = 1

let start_position = Vector::from_xyz(-600.250732421875, -4259.4462890625, 38.9561767578125);
let end_position = Vector::from_xyz(289.3760070800781, -4735.45849609375, 9.107324600219727);

Output

Vector {
  y: -4266.6665,
  z: 0.5,
  x: -558.9335,
},

Last element height is 0.5 due self.query.get_poly_height returns error.

Err(GetPolyHeightFailure(DtStatus(FAILURE | INVALID_PARAM)))