Fix rendering for 'noop_primitive_operations' for "Usage" Section

[canewsin]

Page URL

https://dart.dev/tools/linter-rules/noop_primitive_operations.html

Page source

https://github.com/dart-lang/site-www/tree/main/src/content/tools/linter-rules/individual-rules.md

Describe the problem

'noop_primitive_operations' rendering broken for "Usage" Section on this page

Expected fix

No response

Additional context

No response

I would like to fix this problem.

• [ ] I will try and fix this problem on dart.dev.