Summary:
While I was investigated the previous issue (T59430348) I found this place where we manipulate managed pointers manually. So, to make it error-prone this diff changes it to use `wrapManagedObject`.
Changelog: [Internal] Fabric-specific internal change.
Reviewed By: JoshuaGross
Differential Revision: D21943010
fbshipit-source-id: ecaeffb419ae8d4880187027ca7ec9563e0dfd46