Summary:
changelog: [internal]
There was extra bookkeeping associated with lifetime of `LayoutAnimationCallbackWrapper`. We can just copy it into runtimeExecutor lambda to manage its life cycle and delete `jsi::Function` once it was called.
Reviewed By: RSNara
Differential Revision: D30728210
fbshipit-source-id: 6fc60ee83846cb73648f1c09e5aaf1ed04bd0817