fix exception (#1124)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **Bug Fixes**
- Improved error handling and logging for graph file management
processes.
- Adjusted logging severity from info to warning for graph file
operations.

- **New Features**
	- Introduced dedicated functions for handling graph loading and saving.
	- Added processing for state dictionaries before saving.

- **Refactor**
	- Simplified the control flow in the exception handling decorator.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

src/onediff/infer_compiler/backends/oneflow/deployable_module.py

@@ -35,17 +35,7 @@ def _(mod: DualModule, verbose=False):
 def handle_deployable_exception(func):
     @wraps(func)
     def wrapper(self, *args, **kwargs):
-        if transform_mgr.debug_mode:
-            return func(self, *args, **kwargs)
-        else:
-            try:
-                return func(self, *args, **kwargs)
-            except Exception as e:
-                logger.error(f"Exception in {func.__name__}: {e=}")
-                logger.warning("Recompile oneflow module ...")
-                del self._deployable_module_model.oneflow_module
-                self._deployable_module_dpl_graph = None
-                return func(self, *args, **kwargs)
+        return func(self, *args, **kwargs)
 
     return wrapper