Back out "Remove direct references to the global and untyped nativeFabricUIManager"

Summary:
Changelog:
[Internal][Fixed] - Reverting the React sync because it's causing some JS errors.

Original commit changeset: d8300acb5dab

Original Phabricator Diff: D44029301

Reviewed By: kassens

Differential Revision: D44069428

fbshipit-source-id: cad6a936ebffaa2672a96460ab2c171b30db2def

Libraries/LayoutAnimation/LayoutAnimation.js

@@ -10,13 +10,13 @@
 
 'use strict';
 
+import type {Spec as FabricUIManagerSpec} from '../ReactNative/FabricUIManager';
 import type {
   LayoutAnimationConfig as LayoutAnimationConfig_,
   LayoutAnimationProperty,
   LayoutAnimationType,
 } from '../Renderer/shims/ReactNativeTypes';
 
-import FabricUIManager from '../ReactNative/FabricUIManager';
 import ReactNativeFeatureFlags from '../ReactNative/ReactNativeFeatureFlags';
 import Platform from '../Utilities/Platform';
 
@@ -77,8 +77,9 @@ function configureNext(
 
   // In Fabric, LayoutAnimations are unconditionally enabled for Android, and
   // conditionally enabled on iOS (pending fully shipping; this is a temporary state).
+  const FabricUIManager: FabricUIManagerSpec = global?.nativeFabricUIManager;
   if (FabricUIManager?.configureNextLayoutAnimation) {
-    FabricUIManager.configureNextLayoutAnimation(
+    global?.nativeFabricUIManager?.configureNextLayoutAnimation(
       config,
       onAnimationComplete,
       onAnimationDidFail ??

Libraries/ReactNative/UIManager.js

@@ -9,11 +9,9 @@
  */
 
 import type {RootTag} from '../Types/RootTagTypes';
+import type {Spec as FabricUIManagerSpec} from './FabricUIManager';
 import type {Spec} from './NativeUIManager';
 
-import MaybeFabricUIManager from './FabricUIManager';
-import nullthrows from 'nullthrows';
-
 export interface UIManagerJSInterface extends Spec {
   +getViewManagerConfig: (viewManagerName: string) => Object;
   +hasViewManagerConfig: (viewManagerName: string) => boolean;
@@ -59,7 +57,8 @@ const UIManager = {
     ) => void,
   ): void {
     if (isFabricReactTag(reactTag)) {
-      const FabricUIManager = nullthrows(MaybeFabricUIManager);
+      const FabricUIManager: FabricUIManagerSpec =
+        global?.nativeFabricUIManager;
       const shadowNode =
         FabricUIManager.findShadowNodeByTag_DEPRECATED(reactTag);
       if (shadowNode) {
@@ -85,7 +84,8 @@ const UIManager = {
     ) => void,
   ): void {
     if (isFabricReactTag(reactTag)) {
-      const FabricUIManager = nullthrows(MaybeFabricUIManager);
+      const FabricUIManager: FabricUIManagerSpec =
+        global?.nativeFabricUIManager;
       const shadowNode =
         FabricUIManager.findShadowNodeByTag_DEPRECATED(reactTag);
       if (shadowNode) {
@@ -113,7 +113,8 @@ const UIManager = {
     ) => void,
   ): void {
     if (isFabricReactTag(reactTag)) {
-      const FabricUIManager = nullthrows(MaybeFabricUIManager);
+      const FabricUIManager: FabricUIManagerSpec =
+        global?.nativeFabricUIManager;
       const shadowNode =
         FabricUIManager.findShadowNodeByTag_DEPRECATED(reactTag);
       const ancestorShadowNode =
@@ -154,7 +155,8 @@ const UIManager = {
       console.warn(
         'RCTUIManager.measureLayoutRelativeToParent method is deprecated and it will not be implemented in newer versions of RN (Fabric) - T47686450',
       );
-      const FabricUIManager = nullthrows(MaybeFabricUIManager);
+      const FabricUIManager: FabricUIManagerSpec =
+        global?.nativeFabricUIManager;
       const shadowNode =
         FabricUIManager.findShadowNodeByTag_DEPRECATED(reactTag);
       if (shadowNode) {