feat: アイコンデコレーションをアイコンの背後に表示できるように

[kakkokari-gtyih]

What

Why

Fix #14707

Additional info (optional)

Checklist

• [x] Read the contribution guide
• [ ] Test working in a local environment
• [ ] (If needed) Add story of storybook
• [x] (If needed) Update CHANGELOG.md
• [ ] (If possible) Add tests