unify enableLegacyHidden

Author: sammy-SC

packages/shared/forks/ReactFeatureFlags.native-oss.js

@@ -59,7 +59,7 @@ export const enableUseRefAccessWarning = false;
 
 export const disableSchedulerTimeoutInWorkLoop = false;
 export const enableLazyContextPropagation = false;
-export const enableLegacyHidden = false;
+export const enableLegacyHidden = true;
 export const forceConcurrentByDefaultForTesting = false;
 export const enableUnifiedSyncLane = true;
 export const allowConcurrentByDefault = false;