Storybook: Adds story for Spacing-sizes-control.

[vipul0425]

What?

This PR adds story for SpacingSizesControl component.

Why?

Part of: #67165

Testing Instructions

1. Start Storybook by running npm run storybook:dev
2. Open Storybook at http://localhost:50240/
3. Test the story for SpacingSizesControl

Screenshots or screencast

Screen.Recording.2024-12-27.at.1.52.15.PM.mov

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Co-authored-by: vipul0425 <[email protected]>

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