chore: export SelectBoxGroupContext (adobe#8763)

Author: yihuiliao

packages/@react-spectrum/s2/src/SelectBoxGroup.tsx

@@ -65,7 +65,7 @@ interface SelectBoxContextValue {
   isDisabled?: boolean
 }
 
-export const SelectBoxContext = createContext<SelectBoxContextValue>({orientation: 'vertical'});
+const SelectBoxContext = createContext<SelectBoxContextValue>({orientation: 'vertical'});
 export const SelectBoxGroupContext = createContext<ContextValue<Partial<SelectBoxGroupProps<any>>, DOMRefValue<HTMLDivElement>>>(null);
 
 const labelOnly = ':has([slot=label]):not(:has([slot=description]))';

packages/@react-spectrum/s2/src/index.ts

@@ -72,7 +72,7 @@ export {RangeCalendar, RangeCalendarContext} from './RangeCalendar';
 export {RangeSlider, RangeSliderContext} from './RangeSlider';
 export {SearchField, SearchFieldContext} from './SearchField';
 export {SegmentedControl, SegmentedControlItem, SegmentedControlContext} from './SegmentedControl';
-export {SelectBox, SelectBoxContext, SelectBoxGroup} from './SelectBoxGroup';
+export {SelectBox, SelectBoxGroup, SelectBoxGroupContext} from './SelectBoxGroup';
 export {Slider, SliderContext} from './Slider';
 export {Skeleton, useIsSkeleton} from './Skeleton';
 export {SkeletonCollection} from './SkeletonCollection';