add state reinitialization to reset function

engibench/problems/beams2d/v0.py

@@ -292,6 +292,7 @@ def reset(self, seed: int | None = None, **kwargs) -> None:
             **kwargs: Additional keyword arguments.
         """
         super().reset(seed, **kwargs)
+        self.__st = State()
 
     def render(self, design: np.ndarray, *, open_window: bool = False) -> Any:
         """Renders the design in a human-readable format.