Fabric: disable React-Fabric stable_sort strict weak sort check in debug mode (#49422)

Summary:
Fixes assert crash in https://github.com/facebook/react-native/issues/46568#issuecomment-2653747732.

We can temporarily downgrade  _LIBCPP_HARDENING_MODE to _LIBCPP_HARDENING_MODE_EXTENSIVE, it disables strict weak ordering check in debug mode. Actually, when we sort animation mutations, we don't need it to satisfy strict weak ordering.

https://libcxx.llvm.org/Hardening.html#id3

Another solution is we make sort satisfy it, but we don't have any key to compare when two mutation is the same mutation type but not the same parentTag. Maybe we can use pointer of muation to compare?

## Changelog:

[IOS] [FIXED] - Fabric: disable  React-Fabric stable_sort strict weak sort check in debug mode

Pull Request resolved: https://github.com/facebook/react-native/pull/49422

Test Plan: Fixes  https://github.com/facebook/react-native/issues/46568#issuecomment-2653747732.

Reviewed By: sammy-SC

Differential Revision: D69984937

Pulled By: cipolleschi

fbshipit-source-id: 2a3d17970def513c4ba915068f25338169db82d6

packages/react-native/ReactCommon/react/renderer/animations/utils.h

@@ -104,15 +104,11 @@ static inline bool shouldFirstComeBeforeSecondMutation(
     // must come first.
     if (lhs.type == ShadowViewMutation::Type::Remove &&
         lhs.parentTag == rhs.parentTag) {
-      if (lhs.index > rhs.index) {
-        return true;
-      } else {
-        return false;
-      }
+      return lhs.index > rhs.index;
     }
   }
 
-  return false;
+  return &lhs < &rhs;
 }
 
 std::pair<Float, Float> calculateAnimationProgress(