ComboboxControl : Deprecate 36px default size

[PARTHVATALIYA]

Part of #65751

What?

Deprecate the 36px default size in ComboboxControl.

Testing Instructions

• Unit tests pass
• Storybook stories should not log console warnings
• All code snippets in documentation (JSDoc, Storybook, README) should have the __next40pxDefaultSize prop enabled

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

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[mirka]

Looking good! Two small tweaks and we're done.

[mirka]

🚀