feat: S2 SelectBox (#8541)

* S2 SelectBox initial implementation

* Added tests and fixed linting

* updated tests to remove styles

* selectbox refactor and tests refactor

* stories changes and various edits

* replaced aria components with a gridlist

* fixed borders and redid stories/tests

* removed extraneous overrides and isEmphasized prop

* lint and removed XS

* test-utils-internal swap

* test-utils-internal swap

* swapped useId library

* swapped to listbox

* added additional props and removed s2 checkbox

* revised tests, added additional props, swapped to UI checkmark to avoid accessibility issues

* adjusted illustration size

* removed the sizing and fixed various alignment issues. replaced checkbox behavior

* fixed group disabled checkbox issue

* pruned styles

* fixed label overflow, description still remaining

* moved selectbox into same file, reworked grid, addressed various gh comments

* s2(SelectBoxGroup): center label in horizontal layout when only label is present

* s2(SelectBoxGroup): support [DEFAULT_SLOT] as label styles for text-only children

* removed extra story and count check

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Co-authored-by: Daniel Pandyan <[email protected]>

Author: DPandyan