refactor(core): move ReviewChangesContext to singletons

packages/sanity/src/core/form/studio/contexts/reviewChanges/ReviewChangesContext.ts → packages/sanity/src/_singletons/form/studio/reviewChanges/ReviewChangesContext.ts

@@ -1,6 +1,5 @@
 import {createContext} from 'react'
-
-import {type ReviewChangesContextValue} from './types'
+import type {ReviewChangesContextValue} from 'sanity'
 
 /**
  * @internal

packages/sanity/src/_singletons/index.ts

@@ -20,4 +20,5 @@ export * from './form/studio/DocumentFieldActionsContext'
 export * from './form/studio/FormCallbacksContext'
 export * from './form/studio/PresenceContext'
 export * from './form/studio/ReferenceInputOptionsContext'
+export * from './form/studio/reviewChanges/ReviewChangesContext'
 export * from './form/studio/ValidationContext'

packages/sanity/src/core/form/studio/contexts/reviewChanges/ReviewChangesProvider.tsx

@@ -1,6 +1,6 @@
 import {type ReactElement, type ReactNode, useMemo} from 'react'
+import {ReviewChangesContext} from 'sanity/_singletons'
 
-import {ReviewChangesContext} from './ReviewChangesContext'
 import {type ReviewChangesContextValue} from './types'
 
 /**

packages/sanity/src/core/form/studio/contexts/reviewChanges/index.ts

@@ -1,3 +1,2 @@
-export * from './ReviewChangesContext'
 export * from './types'
 export * from './useReviewChanges'

packages/sanity/src/core/form/studio/contexts/reviewChanges/useReviewChanges.ts

@@ -1,6 +1,6 @@
 import {useContext} from 'react'
+import {ReviewChangesContext} from 'sanity/_singletons'
 
-import {ReviewChangesContext} from './ReviewChangesContext'
 import {type ReviewChangesContextValue} from './types'
 
 /**