What is the problem?

Detached actor causes segfault when GCS actor management is on.

Reproduction (REQUIRED)

Please provide a script that can be run to reproduce the issue. The script should have no external library dependencies (i.e., use fake or mock data / environments):

Run tests/test_actor_advanced.py::test_detached_actor

• I have verified my script runs in a clean environment and reproduces the issue.
• I have verified the issue also occurs with the latest wheels.