[fx][Transformer] Add override for call_function (#60057)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/60057
This ensures that if a function was `wrap`'d before symbolic tracing + being passed into the transformer then it will still be wrapped.
Test Plan: Added test to `test_fx.py`
Reviewed By: jamesr66a
Differential Revision: D29151191
fbshipit-source-id: 93560be59505bdcfe8d4f013e21d4719788afd59
