Website: [Playground] add ability to inspect/preview detailed fixer information's #6753
Description
Before You File a Documentation Request Please Confirm You Have Done The Following...
- I have looked for existing open or closed documentation requests that match my proposal.
- I have read the FAQ and my problem is not listed.
Suggested Changes
ErrorViewer in playground should allow us to easily inspect data from fixers and suggestions
this can ease reproducing / inspecting issues like #5728 comment