On hold until #39397 is addressed.

Tasks required to cleanly migrate the Typography panel components to the new 40px sizes.

Prep work (merge at will)

• Add __unstable-large size variant on InputControl SelectControl UnitControl #35646
• ❓ Support icon buttons in ToggleGroupControlOption 🧪 (See TextTransformControl/TextDecorationControl: Balancing usability and accessibility #36735)
• LineHeightControl: Replace internal implementation with NumberControl #37110

Final steps to enable changes (merge all at once)

(We can merge these into a temporary branch for testing before the final merge)

• CustomSelectControl: Use __unstableSize prop in Typography panel #36162
• LineHeightControl: Use __unstableSize prop in Typography panel #36196
• #TBD1: Enlarge FontFamilyControl 🧪 and LetterSpacingControl 🧪
• #TBD2: Replace TextTransformControl 🧪 and TextDecorationControl 🧪 implementation with ToggleGroupControl 🧪