[Composable API] Enable composable `fully_shard` submodules in `replicate` parent module (#90711)
To make sure `fully_shard` and `replicate` can work together, we need to check for each other in the implementation. This change adds the check in `replicate()`.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/90711
Approved by: https://github.com/mrshenli
