feat: improve dialog design

[baptadn]

Title

Improve the UI of the dialog modal

Type of Change

• [ ] New feature
• [ ] Bug fix
• [ ] Documentation update
• [ ] Example update
• [ ] Refactoring
• [ ] Hotfix
• [ ] Security patch
• [x] UI/UX improvement

Screenshots

New design

Previous design

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: e4c51ecaecd95ed257d0977ff74cfb743fbbabd4

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

| Name | Type | | ------------------------ | ----- | | @premieroctet/next-admin | Patch |

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