fix: add a roof to the Hazardous Waste Sarcophagus

[0Monet]

Purpose of change

Add a roof to the Hazardous Waste Sarcophagus.
fix #4189

Describe the solution

Do the roof.

Describe alternatives you've considered

No roof.

Additional context

Before:

After:

[autofix-ci]

Autofix has formatted code style violation in this PR.

I edit commits locally (e.g: git, github desktop) and want to keep autofix

1. Run git pull. this will merge the automated commit into your local copy of the PR branch.
2. Continue working.

I do not want the automated commit

1. Format your code locally, then commit it.
2. Run git push --force to force push your branch. This will overwrite the automated commit on remote with your local one.
3. Continue working.

If you don't do this, your following commits will be based on the old commit, and cause MERGE CONFLICT.