get original cwd() returns incorrect path when HydraConfig is not initialized

get original cwd() returns incorrect path when HydraConfig is not initialized: a task in harbor-swesmith-rl-artifacts: Harbor SWE-Smith 强化学习数据产物 (Harbor dataset). I encountered an issue with get original cwd() function in Hydra. When HydraConfig is not initialized, the function now returns the…

The task

I encountered an issue with `get_original_cwd()` function in Hydra. When HydraConfig is not initialized, the function now returns the current working directory instead of raising an error.

Part of keryszhan/harbor-swesmith-rl-artifacts.