Refactor text area and feedback loop

[OEvgeny]

Fixes #

Changelog Entry

• Added feedback form for like/dislike button when feedbackActionsPlacement is "activity-actions", in PR #5460, PR #5469, PR 5470 and PR #5501 by @lexi-taylor and @OEvgeny
  • ESCAPE key should reset the feedback form, in PR #5480, by @compulim, in PR #5493 by @lexi-taylor

Description

The PR contains a refactor of the feedback loop code with the CSS modules approach and a shared text area component implementation. The new text area implementation is also reused inside the Fluent Theme.

Specific Changes

• The TextArea component was moved from the fluent-theme package to component package
• The component was reused in both packages
• The component styles and related FeedbackForm styles were migrated to CSS-modules
• Added tests for scroll
• Fixed minor issues with the colors and scroll

-

• I have added tests and executed them locally
• I have updated CHANGELOG.md
• I have updated documentation

Review Checklist

This section is for contributors to review your work.

• Accessibility reviewed (tab order, content readability, alt text, color contrast)
• Browser and platform compatibilities reviewed
• CSS styles reviewed (minimal rules, no z-index)
• Documents reviewed (docs, samples, live demo)
• Internationalization reviewed (strings, unit formatting)
• package.json and package-lock.json reviewed
• Security reviewed (no data URIs, check for nonce leak)
• Tests reviewed (coverage, legitimacy)