Fix asserts caused by OffscreenComponent rendering in React Native wi…

…th passChildrenWhenCloningPersistedNodes (#32528)

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## Summary

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does the pull request solve?
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This PR fixes asserts when `passChildrenWhenCloningPersistedNodes` is
enabled for React Native and OffscreenComponent child rendering unhides
host components.

Discussions around possible fixes for the asserts seen in React Native
suggested changing the way we handle hiding/unhiding host components by
updating the fiber state with the hidden host component instead of
submitting a hidden clone Fabric and keeping the original as the current
fiber.

Implementing this fix would require holding onto the original styling of
the hidden host component. The reconciler updates the styling by adding
`display: none` to hide the contents. If the original host component was
already hidden, the renderer would lose that information and remove the
styling when showing the contents again.

To reduce the changes required to make
`passChildrenWhenCloningPersistedNodes` work, this PR falls back to the
original cloning method when OffscreenComponents are part of the
children needed to be added back. This effectively resolve the asserts
triggered by the feature in RN and improves overall performance.

## How did you test this change?

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This fix was tested by enabling `passChildrenWhenCloningPersistedNodes`
in an app built with React Native that had a repro for triggering the
asserts. The asserts do not occur anymore when using the changes in this
PR.

---------

Co-authored-by: Nick <[email protected]>

packages/react-reconciler/src/ReactFiberCompleteWork.js

@@ -341,7 +341,12 @@ function appendAllChildrenToContainer(
   workInProgress: Fiber,
   needsVisibilityToggle: boolean,
   isHidden: boolean,
-) {
+): boolean {
+  // Host components that have their visibility toggled by an OffscreenComponent
+  // do not support passChildrenWhenCloningPersistedNodes. To inform the callee
+  // about their presence, we track and return if they were added to the
+  // child set.
+  let hasOffscreenComponentChild = false;
   if (supportsPersistence) {
     // We only have the top Fiber that was created but we need recurse down its
     // children to find all the terminal nodes.
@@ -386,20 +391,22 @@ function appendAllChildrenToContainer(
           /* needsVisibilityToggle */ _needsVisibilityToggle,
           /* isHidden */ true,
         );
+
+        hasOffscreenComponentChild = true;
       } else if (node.child !== null) {
         node.child.return = node;
         node = node.child;
         continue;
       }
       node = (node: Fiber);
       if (node === workInProgress) {
-        return;
+        return hasOffscreenComponentChild;
       }
       // $FlowFixMe[incompatible-use] found when upgrading Flow
       while (node.sibling === null) {
         // $FlowFixMe[incompatible-use] found when upgrading Flow
         if (node.return === null || node.return === workInProgress) {
-          return;
+          return hasOffscreenComponentChild;
         }
         node = node.return;
       }
@@ -408,6 +415,8 @@ function appendAllChildrenToContainer(
       node = node.sibling;
     }
   }
+
+  return hasOffscreenComponentChild;
 }
 
 function updateHostContainer(current: null | Fiber, workInProgress: Fiber) {
@@ -468,11 +477,12 @@ function updateHostComponent(
     const currentHostContext = getHostContext();
 
     let newChildSet = null;
+    let hasOffscreenComponentChild = false;
     if (requiresClone && passChildrenWhenCloningPersistedNodes) {
       markCloned(workInProgress);
       newChildSet = createContainerChildSet();
       // If children might have changed, we have to add them all to the set.
-      appendAllChildrenToContainer(
+      hasOffscreenComponentChild = appendAllChildrenToContainer(
         newChildSet,
         workInProgress,
         /* needsVisibilityToggle */ false,
@@ -486,7 +496,7 @@ function updateHostComponent(
       oldProps,
       newProps,
       !requiresClone,
-      newChildSet,
+      !hasOffscreenComponentChild ? newChildSet : undefined,
     );
     if (newInstance === currentInstance) {
       // No changes, just reuse the existing instance.
@@ -513,7 +523,10 @@ function updateHostComponent(
         // Otherwise parents won't know that there are new children to propagate upwards.
         markUpdate(workInProgress);
       }
-    } else if (!passChildrenWhenCloningPersistedNodes) {
+    } else if (
+      !passChildrenWhenCloningPersistedNodes ||
+      hasOffscreenComponentChild
+    ) {
       // If children have changed, we have to add them all to the set.
       appendAllChildren(
         newInstance,