[react-native] fix divergence in synced code (facebook#32348)

Alternative to facebook#32334

Author: poteto

packages/react-native-renderer/src/ReactNativeTypes.js

@@ -10,6 +10,7 @@
  */
 
 import type {ElementRef, ElementType, MixedElement} from 'react';
+import {type PublicRootInstance} from 'react-native/Libraries/ReactPrivate/ReactNativePrivateInterface';
 
 export type MeasureOnSuccessCallback = (
   x: number,
@@ -231,7 +232,6 @@ export opaque type Node = mixed;
 export opaque type InternalInstanceHandle = mixed;
 type PublicInstance = mixed;
 type PublicTextInstance = mixed;
-export opaque type PublicRootInstance = mixed;
 
 export type ReactFabricType = {
   findHostInstance_DEPRECATED<TElementType: ElementType>(
@@ -261,6 +261,7 @@ export type ReactFabricType = {
   getPublicInstanceFromInternalInstanceHandle(
     internalInstanceHandle: InternalInstanceHandle,
   ): PublicInstance | PublicTextInstance | null,
+  getPublicInstanceFromRootTag(rootTag: number): PublicRootInstance | null,
   ...
 };