Add icons for studio usability enchancements

[AlexVelezLl]

Description

Add new icons to support studio usability enhancements.

Issue addressed

Address Studio#3425

Addresses

Changelog

• #543
  • Description: Added new Icons to support Studio Usability Enhancements
  • Products impact: new API
  • Addresses: Update KDS (and Studio) to include new icons in support of quick edit studio#3425
  • Components: KIcon
  • Breaking: no
  • Impacts a11y: no
  • Guidance: Consumers can now access these icons: activities, attribution, audience, categories, levels, rename

Testing checklist

• Contributor has fully tested the PR manually
• If there are any front-end changes, before/after screenshots are included
• Critical and brittle code paths are covered by unit tests
• The change is described in the changelog section above

Reviewer guidance

• Is the code clean and well-commented?
• Are there tests for this change?
• Are all UI components LTR and RTL compliant (if applicable)?
• Add other things to check for here

After review

• The changelog item has been pasted to the CHANGELOG.md

Comments

[MisRob]

All good, thank you @AlexVelezLl.

I pushed an extra commit to fix the changelog section before merging (I should have done this when creating release-v3 branch, apologies)