chore: Create a story for IconButton component

[devin-ai-integration]

Description

The IconButton component in the MetaMask extension lacked a story for isolated UI testing and documentation. This pull request introduces a story for the IconButton component, following the Storybook.js format, to facilitate better testing and development practices.

Related issues

• None

Manual testing steps

• Manual testing was not possible due to unrelated errors in the Storybook build process that prevented the Storybook UI from launching.

Screenshots/Recordings

• Screenshots are not available as the Storybook UI could not be launched due to unrelated errors.

Pre-merge author checklist

• I've followed MetaMask Coding Standards.
• I've completed the PR template to the best of my ability.
• I've included tests if applicable.
• I've documented my code using JSDoc format if applicable.
• I've applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

[github-actions]

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[georgewrmarshall]

Duplicate