Remove span

[joshfarrant]

• Removes <span> from Icon component
• Sets a fixed padding to give an icon size of 20px.
• Modify props to extend SVGElement

[changeset-bot[bot]]

⚠️ No Changeset found

Latest commit: e3a89b8b0cf98f455d051c30b45f40ed9768adcd

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[github-actions[bot]]

🟢 No design token changes found

[github-actions[bot]]

⚠️ Visual differences found

Our visual comparison tests found UI differences.

Please review the differences by using the test artifacts to ensure that the changes were intentional. Artifacts can be downloaded and reviewed locally. Download links are available at the bottom of the workflow summary screen. ##### Example:  If the changes are expected, please run `npm run test:visual:update-snapshots` to replace the previous fixtures.

Review visual differences