fix: restore selection should consider the window of the container

Fixes facebook#30864

packages/react-dom-bindings/src/client/ReactFiberConfigDOM.js

@@ -325,7 +325,7 @@ export function getPublicInstance(instance: Instance): Instance {
 
 export function prepareForCommit(containerInfo: Container): Object | null {
   eventsEnabled = ReactBrowserEventEmitterIsEnabled();
-  selectionInformation = getSelectionInformation();
+  selectionInformation = getSelectionInformation(containerInfo);
   let activeInstance = null;
   if (enableCreateEventHandleAPI) {
     const focusedElem = selectionInformation.focusedElem;

packages/react-dom-bindings/src/client/ReactInputSelection.js

@@ -56,9 +56,12 @@ function isSameOriginFrame(iframe) {
   }
 }
 
-function getActiveElementDeep() {
+function getActiveElementDeep(containerInfo) {
   let win = window;
-  let element = getActiveElement();
+  if (containerInfo?.ownerDocument?.defaultView) {
+    win = containerInfo.ownerDocument.defaultView
+  }
+  let element = getActiveElement(win.document);
   while (element instanceof win.HTMLIFrameElement) {
     if (isSameOriginFrame(element)) {
       win = element.contentWindow;
@@ -97,8 +100,8 @@ export function hasSelectionCapabilities(elem) {
   );
 }
 
-export function getSelectionInformation() {
-  const focusedElem = getActiveElementDeep();
+export function getSelectionInformation(containerInfo) {
+  const focusedElem = getActiveElementDeep(containerInfo);
   return {
     focusedElem: focusedElem,
     selectionRange: hasSelectionCapabilities(focusedElem)
@@ -112,8 +115,8 @@ export function getSelectionInformation() {
  * restore it. This is useful when performing operations that could remove dom
  * nodes and place them back in, resulting in focus being lost.
  */
-export function restoreSelection(priorSelectionInformation) {
-  const curFocusedElem = getActiveElementDeep();
+export function restoreSelection(priorSelectionInformation, containerInfo) {
+  const curFocusedElem = getActiveElementDeep(containerInfo);
   const priorFocusedElem = priorSelectionInformation.focusedElem;
   const priorSelectionRange = priorSelectionInformation.selectionRange;
   if (curFocusedElem !== priorFocusedElem && isInDocument(priorFocusedElem)) {

packages/shared/ReactVersion.js

@@ -1,15 +1 @@
-/**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-// TODO: this is special because it gets imported during build.
-//
-// It exists as a placeholder so that DevTools can support work tag changes between releases.
-// When we next publish a release, update the matching TODO in backend/renderer.js
-// TODO: This module is used both by the release scripts and to expose a version
-// at runtime. We should instead inject the version number as part of the build
-// process, and use the ReactVersions.js module as the single source of truth.
-export default '19.0.0';
+export default '19.0.0-rc-d6cb4e77-20240911';