[RayCluster][Fix] evicted head-pod can be recreated or restarted

[JasonChen86899]

Why are these changes needed?

This PR attempts to fix issues https://github.com/ray-project/kuberay/issues/2125 if head pod has been evicted, we will delete it and let it restart or recreate

Related issue number

https://github.com/ray-project/kuberay/issues/2125

Checks

• [ ] I've made sure the tests are passing.
• Testing Strategy
  • [x] Unit tests
  • [ ] Manual tests
  • [ ] This PR is not tested :(