Add getRootNode to fragment instances (#32682)

This implements `getRootNode(options)` on fragment instances as the
equivalent of calling `getRootNode` on the fragment's parent host node.

The parent host instance will also be used to proxy dispatchEvent in an
upcoming PR.

DiffTrain build for [04bf10e](04bf10e)

Author: jackpope

compiled/facebook-www/REVISION

@@ -1 +1 @@
-c61e75b76d5ff6707ad75c8beb777e721d982207
+04bf10e6a9526ea2600005a714c957c47dd8551d

compiled/facebook-www/REVISION_TRANSFORMS

@@ -1 +1 @@
-c61e75b76d5ff6707ad75c8beb777e721d982207
+04bf10e6a9526ea2600005a714c957c47dd8551d

compiled/facebook-www/React-dev.classic.js

@@ -1537,7 +1537,7 @@ __DEV__ &&
     exports.useTransition = function () {
       return resolveDispatcher().useTransition();
     };
-    exports.version = "19.1.0-www-classic-c61e75b7-20250324";
+    exports.version = "19.1.0-www-classic-04bf10e6-20250324";
     "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
       "function" ===
         typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&

compiled/facebook-www/React-dev.modern.js

@@ -1537,7 +1537,7 @@ __DEV__ &&
     exports.useTransition = function () {
       return resolveDispatcher().useTransition();
     };
-    exports.version = "19.1.0-www-modern-c61e75b7-20250324";
+    exports.version = "19.1.0-www-modern-04bf10e6-20250324";
     "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
       "function" ===
         typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&

compiled/facebook-www/React-prod.classic.js

@@ -641,4 +641,4 @@ exports.useSyncExternalStore = function (
 exports.useTransition = function () {
   return ReactSharedInternals.H.useTransition();
 };
-exports.version = "19.1.0-www-classic-c61e75b7-20250324";
+exports.version = "19.1.0-www-classic-04bf10e6-20250324";

compiled/facebook-www/React-prod.modern.js

@@ -641,4 +641,4 @@ exports.useSyncExternalStore = function (
 exports.useTransition = function () {
   return ReactSharedInternals.H.useTransition();
 };
-exports.version = "19.1.0-www-modern-c61e75b7-20250324";
+exports.version = "19.1.0-www-modern-04bf10e6-20250324";

compiled/facebook-www/React-profiling.classic.js

@@ -645,7 +645,7 @@ exports.useSyncExternalStore = function (
 exports.useTransition = function () {
   return ReactSharedInternals.H.useTransition();
 };
-exports.version = "19.1.0-www-classic-c61e75b7-20250324";
+exports.version = "19.1.0-www-classic-04bf10e6-20250324";
 "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
   "function" ===
     typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&

compiled/facebook-www/React-profiling.modern.js

@@ -645,7 +645,7 @@ exports.useSyncExternalStore = function (
 exports.useTransition = function () {
   return ReactSharedInternals.H.useTransition();
 };
-exports.version = "19.1.0-www-modern-c61e75b7-20250324";
+exports.version = "19.1.0-www-modern-04bf10e6-20250324";
 "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
   "function" ===
     typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&

compiled/facebook-www/ReactART-dev.classic.js

@@ -18483,10 +18483,10 @@ __DEV__ &&
     (function () {
       var internals = {
         bundleType: 1,
-        version: "19.1.0-www-classic-c61e75b7-20250324",
+        version: "19.1.0-www-classic-04bf10e6-20250324",
         rendererPackageName: "react-art",
         currentDispatcherRef: ReactSharedInternals,
-        reconcilerVersion: "19.1.0-www-classic-c61e75b7-20250324"
+        reconcilerVersion: "19.1.0-www-classic-04bf10e6-20250324"
       };
       internals.overrideHookState = overrideHookState;
       internals.overrideHookStateDeletePath = overrideHookStateDeletePath;
@@ -18520,7 +18520,7 @@ __DEV__ &&
     exports.Shape = Shape;
     exports.Surface = Surface;
     exports.Text = Text;
-    exports.version = "19.1.0-www-classic-c61e75b7-20250324";
+    exports.version = "19.1.0-www-classic-04bf10e6-20250324";
     "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
       "function" ===
         typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&

compiled/facebook-www/ReactART-dev.modern.js

@@ -18255,10 +18255,10 @@ __DEV__ &&
     (function () {
       var internals = {
         bundleType: 1,
-        version: "19.1.0-www-modern-c61e75b7-20250324",
+        version: "19.1.0-www-modern-04bf10e6-20250324",
         rendererPackageName: "react-art",
         currentDispatcherRef: ReactSharedInternals,
-        reconcilerVersion: "19.1.0-www-modern-c61e75b7-20250324"
+        reconcilerVersion: "19.1.0-www-modern-04bf10e6-20250324"
       };
       internals.overrideHookState = overrideHookState;
       internals.overrideHookStateDeletePath = overrideHookStateDeletePath;
@@ -18292,7 +18292,7 @@ __DEV__ &&
     exports.Shape = Shape;
     exports.Surface = Surface;
     exports.Text = Text;
-    exports.version = "19.1.0-www-modern-c61e75b7-20250324";
+    exports.version = "19.1.0-www-modern-04bf10e6-20250324";
     "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
       "function" ===
         typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&