[🚩 ✏️ui-playground]: final code review and optimization for playground module before stable publishig #3085
Description
As the ui-playground module is gonna be published in the bounds of the regular esl monorepo publishing process as a STABLE, it needs to be validated and prepared.
- Execute the full module codebase review
- Provide a list of required optimizations - Make sure in code documentation exists
- Replace className with class property in JSX
- Make sure all monorepo related migration processes complete