fix: styling for icon button and field label

[madhurisandbhor]

What does it do?

• Default Icon button size updated to small.
• Field label supports ellipsis now, fixes https://github.com/strapi/design-system/issues/1627

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Name	Status	Preview	Comments	Updated (UTC)
design-system	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jul 23, 2024 2:44pm

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🦋 Changeset detected

Latest commit: 5ba6af24a2bb232fa24631b74edd18d1bd1a2589

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

This PR includes changesets to release 3 packages

| Name | Type | | --------------------- | ----- | | @strapi/design-system | Patch | | @strapi/icons | Patch | | @strapi/ui-primitives | Patch |

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