Add missing node null check in AnimationDriver (#53462)

Summary:
Pull Request resolved: #53462

## Changelog:

[Internal] [Chanaged] - Add missing node null check in AnimationDriver

Reviewed By: lenaic

Differential Revision: D80949230

fbshipit-source-id: b08258671fbf0a011aa6a48501fdd83a706b1f1f

Author: zeyap

packages/react-native/ReactCommon/react/renderer/animated/drivers/AnimationDriver.cpp

@@ -53,7 +53,7 @@ void AnimationDriver::startAnimation() {
 void AnimationDriver::stopAnimation(bool /*ignoreCompletedHandlers*/) {
   if (auto node =
           manager_->getAnimatedNode<ValueAnimatedNode>(animatedValueTag_);
-      endCallback_) {
+      node != nullptr && endCallback_) {
     endCallback_.value().call(
         {.finished = true,
          .value = node->getRawValue(),