Multiple trial chamber structures have missing or incorrect blocks

Related to MC-266441 on Java. Use the seed and coords and go to spectator mode to check out on each issues.

• chamber/chamber_5 (room with water dispenser in the middle) has a random hole in the ceiling and six tuff bricks instead of waxed copper blocks

  Seed: 1585853357904011972
  Coords: -421 -34 49

• chamber/chamber_9 ("sloped" room) is missing multiple blocks under the floor

  Seed: 1585853357904011972
  Coords: -344 -31 36

• intersection/intersection_2 (deep water and beds) is missing a block above the wall across from the ladder

  Seed: 1585853357904011972
  Coords: 715 -12 -780

• Both long staircases have tuff bricks instead of copper in one corner

  Seed: 1585853357904011972
  Coords: 717 -15 -768

• hallway/upper_hallway_connector has a random copper block in the floor

  Seed: 1585853357904011972
  Coords: -414 -34 14

• hallway/corner_staircase has the same issue as long staircase

  Seed: 1585853357904011972
  Coords: 2 -28 -1577

• Chiseled tuff on corridor/straight_7 is not symmetrical

  Seed: 1585853357904011972
  Coords: -399 -28 25

• corridor/end_2 is missing a block next to the chest

  Seed: 1585853357904011972
  Coords: -374 -35 41

• hallway/left_corner is missing several blocks

  Seed: 1585853357904011972
  Coords: -389 -43 11

• hallway/straight_staircase has chiseled tuff bricks instead of tuff bricks behind the waxed oxidized cut copper stairs

  Seed: 1585853357904011972
  Coords: -258 -44 -1980

• hallway/right_corner is missing chiseled tuff bricks, and does not replace certain blocks with air

  Seed: 1585853357904011972
  Coords: 3 -43 -1584