The Room map pass: TV video, photo materials, prefab cleanup

- New TV Video material + environment video clip on the plasma TV
- New P1002728 photo material/texture, P1002712 texture, three new
  paint prefab variants
- Living-room prefab variants updated across the set
- Remove stale generated concealment collider PolyShape assets
- The Room scene content pass

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Assets/Videos/strong_movement_in_the_environment_ygo0wbxrziwzhbovl8j8_2.mp4.meta

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